Question 3 :
The IUPAC name of haloalkane is always written as a ______ word. 
Question 8 :
Which of the following reactant gives the best method of preparation of alkyl halides when reacts with alcohol?<br/>
Question 10 :
Pure chloroform does not give a white ppt with $AgNO_{3}$ as:<br/>
Question 11 :
Aniline on heating with $X$ in the presence of $KOH$ gives a product with very bad smell. Identify $X$.<br>
Question 12 :
Assertion: Alkyl halides are polar in nature, but they are almost insoluble in water. <br/>Reason: They can neither form Hydrogen bond nor they can break hydrogen bond between water molecules.
Question 15 :
On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloro alkane. The alkane is: <br/>
Question 17 :
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is:
Question 18 :
Which of the following compounds can yield only one monochlorinated product upon free radical chlorination?
Question 19 :
Choose the correct answer among the alternatives given :Bromination of methane in presence of sunlight is a:
Question 20 :
An alkane $C_6H_{14}$ gives only two monochloro derivatives on chlorination. Its possible structure is:
Question 22 :
$\underset{a}{CH_3 }\, - \,\underset{b}{CH_2 }\, - \,\underset{c} {CH_2} \, - \,\underset{d} CH_2 \, - \, F$<br>Arrangethe hydrogens $a, b, c, d,$ indecreasing order of their reactivities towards chlorination:<br>
Question 23 :
${ CH }_{ 2 }={ CH }_{ 2 }+{ Br }_{ 2 }\xrightarrow { NaCl } \quad Products$. Which of the following product is not formed in the above reaction?
Question 28 :
Assertion: Aqueous hydrohalogen acids are used to prepare alkyl halides from alkenes.
Reason: Hydrogen iodide readily reacts with alkenes to form alkyl halides.
Question 29 :
Choose the correct answer among the alternatives given : <br/>The reaction $CH_2=CH-CH_3 \, + \, HBr \, \rightarrow \, CH_3-\overset {Br}{\overset{|}{C}}H-CH_3$ is an example of ?
Question 30 :
Identify the products X and Y formed in the following reaction:<br/><br/>$CH_3-CH_2-CH=CH-CH_3\, + \, HCl \, \rightarrow \, X \, +\, Y$<br/>
Question 31 :
Assertion: Chlorination of allylic hydrogen is difficult than vinylic hydrogen
Reason: Allyl radical is stabilized by resonance.
Question 32 :
In the presence of iodine catalyst, chlorine reacts with acetic acid toform
Question 33 :
Assertion: $CH_2=CH-CH_2-X$ is an example of allyl halides.
Reason: These are the compounds in which the halogen atom is bonded to an $sp^2$ hybridised carbon atom.
Question 34 :
Assertion: Iodination of alkanes is carried out under reflux conditions in the presence of reducing agent.<br/> Because
Reason: Iodination of alkanes take place explosively.
Question 35 :
Which gives maximum yield of ${ C }_{ 2 }{ H }_{ 5 }Cl$?
Question 36 :
$2$-methyl butane on reaction with $Br_{2}$ in thepresence of sunlight mainlygives:<br>
Question 37 :
Assertion: Statement-I : free radical chlorination of $n$-butane gives $72\%$ of $2$-chlorobutane and $28\%$ of $1$-chlorobutane though it has six primary and four secondary hydrogens. <br> Because
Reason: Statement-II : A secondary hydrogen is abstracted more easily than the primary hydrogen.
Question 38 :
The halogen which is most reactive in the halogenation of alkanes under sunlight is:
Question 39 :
The organic compound obtained during the addition of $HBr$ to propene in the presence of peroxide catalyst is:
Question 40 :
<br/>$CH_3-\overset{CH_3}{\overset{|}{C}}H-CH_2-CH_3+Br_2\xrightarrow[]{hv}$ P (Major product)                                                                  (on monobromination) The product P is :
Question 41 :
The chlorination of ethane is an example for which type of the following reactions?
Question 46 :
Among the isomers of $C_6H_14$ , which will give maximum number of mono-chloro-derivatives ?
Question 47 :
Which step is chain propagation step in the following mechanism?<br/>$Cl_2\xrightarrow [  ]{ hv } Cl^{\bullet} + Cl^{\bullet}$<br/>$Cl^{\bullet} + CH_4\rightarrow \,^{\bullet}CH_3 + HCl$<br/>$Cl^{\bullet} + Cl^{\bullet} \rightarrow Cl_2$<br/>$^{\bullet}CH_3 + ^{\bullet} Cl \rightarrow CH_3Cl$<br/>
Question 48 :
Which reagent will you use for the following reaction?<br>$CH_3CH_2CH_2CH_3 \rightarrow CH_3CH_2CH_2CH_2Cl + CH_3CH_2CHClCH_3$<br>
Question 49 :
The reaction conditions leading to the best yield of ${C}_{2}{H}_{5}Cl$ are:
Question 52 :
Which major product is formed in the free-radical bromination of methane by limited supply of bromine?
Question 54 :
$CH_3 - CH_2 - CH_2 - \underset{CH_3}{\underset{|}{CH}} - CH_3 \xrightarrow[hv]{Cl_2} $ product, at room temperature.<br>Choose the correct option
Question 55 :
The starting material for the manufacture of polyvinyl chloride is obtained by reacting $HCl$ with:
Question 56 :
$HBr$ reacts with $CH_{2} = CH - OCH_{3}$ under anhydrous conditions at room temperature to give:
Question 57 :
Statement - 1 : $CH_3 - CH_2 - Cl + NaI \overset{Acetone}{\rightarrow}$ $CH_3 - CH_2 - I + NaCl $<br/>Statement - 2 : Acetone is polar - protic solvent and solubility order of sodium halides decreases dramatically in order $NaI > NaBr > NaCl$. The last being virtually insoluble in the solvent and a $1^0$ and $2^0$ chloro alkane in acetone is completely driven to the side of Iodoalkane by the precipitation reaction.
Question 58 :
For the compounds  $CH_3Cl, CH_3Br, CH_3I$ and $CH_3F$, the correct order of increasing C-halogen bond length is:
Question 59 :
Ethyl alcohol reacts at a faster rate with $HI$ than with $HCl$ in forming the corresponding ethyl halides under identical conditions mainly because:
Question 60 :
Action of alcoholic $AgNO_3$ on chlorobenzene is similar to the action on:
Question 62 :
A solution of $(R)-2-$iodobutane, $[\alpha]= 15.9^{\circ}$ in acetone is treated with radioactive iodied, until $1.0$% of iodobutane contain radioactive iodine, the specific rotation of recovered iodobutane is found to be $-15.58^{\circ},$ which statement is correct about above information?
Question 63 :
Arrange the following in the increasing order of their ability as a leaving group:$CF_3SO_3^-,\,CH_3SO_3^-\,and\,CH_3COO^-$
Question 65 :
Arrange the following in increasing order of their nucleophilicity in a polar aprotic solvent.<br/>${{ CH }_{ 3 }{ CH }_{ 2 }O }^{ - },{{ CH }_{ 3 }{ CH }_{ 2 }S }^{ - },{{ CH }_{ 3 }{ CS }_{ 2 } }^{ - }$<br/>
Question 66 :
$ (X) +KCN  \longrightarrow CH_3CN \quad  \xrightarrow {2H_2/Ni} CH_3CH_2NH_2 $ what is (X) ?
Question 67 :
Markovnikov's rule for the addition of hydrogen halides to alkenes states that the incoming hydrogen bonds to the :
Question 68 :
Assertion: Iodoform gives precipitate with $AgNO_{3}$ on heating while $CHCl_{3}$ does not.
Reason: $C-I$ bond being less stable than $C-Cl$ bond and thus on heating heterolytic cleavage of $C-I$ form $I$ which gives yellow precipitate with $AgNO_{3}$.
Question 69 :
A 10g mixture of iso-butane and iso-butene requires 20 g of $Br_2$ (in $CCl_4$)for complete addition. If 10 g of the mixture is catalytically hydrogenated andthe entire alkane is monobrominated in the presence of light at $127^{\circ}$C, how muchof it would be formed? (Atomic weight of bromine = 80)
Question 70 :
$CH_3-CH-CH_3+Cl_2\xrightarrow[]{hv}P$ (Major product)              $|$                                       (on monochlorination)             $CH_3$<br/>The product $P$ is:
Question 71 :
Arrange following compounds according to their reactivity with alc. silver nitrate.
Question 73 :
Which of the followin are used as free radical chain initiators?
Question 74 :
The decreasing order of dipole moment of the following is :<br/>$I. {CH}_{3}Cl$  $II. {CH}_{3}Br$  $III. {CH}_{3}F$
Question 75 :
When alkyl halide is heated with an aqueous solution of silver nitrite,it gives:
Question 76 :
Carbon reacts with chlorine to form $CCl_4$. 36 gm of carbon was mixed with 142 g of $Cl_2$. Calculate the mass of $CCl_4$ produced in the reaction.
Question 77 :
The reaction conditions leading to the best yield of $C_2H_5Cl $ are:
Question 78 :
Choose the correct answer among the alternatives given :<br/>$CH_3-{\underset{Br}{\underset{|}{CH}}}-CH_3\xrightarrow{[alc KOH]}X\xrightarrow[HBr]{peroxide}Y\xrightarrow[NaI]{acetone}Z$ In the given reaction what will be the final product?
Question 80 :
Assertion: Addition of one equivalent of $HCl$ to 1,3-butadiene at ${80}^{o}C$ gives 3-chloro-1-butene as major product.
Reason: 3-chloro-1-butene is a kinetically controlled product.<br/>Read the above assertion and reason and choose the correct option regarding it.
Question 81 :
In which of the following cases $C-C$ bond length will be the longest?
Question 82 :
Action hydrogen chloride on $CH_3 - \underset{CH_3}{\underset{|}{C}} = CH_2$ and $CH \equiv CH$ will predominantly give the compounds, respectively
Question 83 :
Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called:
Question 84 :
Compond (X) $\xrightarrow[]{(1)HgSO_4} \xrightarrow[]{(2)NaBH_4} \xrightarrow[]{(3)ZnCl_2}$ product gives precipitate in $5$ min.<br>Compound (X) is
Question 88 :
Ethene reacts with $Y$ to produce ethanol.<br>$ethene + Y \rightarrow ethanol$<br>What is $Y$?
Question 90 :
The suffixes for alcohols, aldehydes and ketones, according to IUPAC system are respectively :<br/>
Question 93 :
The process of conversion of sodium phenoxide to phenol during the preparation phenol from benzene sulphonic acid is called as _____ reaction <br/>
Question 95 :
Benzene vapour mixed with air when passed over $V_{2}O_{5}$ catalyst at $500^{\circ}C$ gives.
Question 96 :
Joseph Lister discovered 'carbolic acid' for use in antiseptic surgery in $1834$ which saved many mothers during childbirth in those days. 'Carbolic acid' was the name used for:
Question 99 :
Compound $(A)$ $C_5H_{10}O$ forms a phenylhydrazone and gives negative Tollen's and iodoform test. Compound (A) on reduction gives n-pentase. Compound $(A)$ is:
Question 100 :
$R-\overset { \overset { O }{ || }  }{ C } -OH\underrightarrow { (?) }      {R- CH_2}-OH$<br/><br/>Here reagent is :
Question 101 :
$CH_3CHO\overset{dil\cdot NaOH}{\longrightarrow}A\overset{\Delta, dehydration}{\longrightarrow} B \overset{Ni/H_2}{\longrightarrow} C \overset{Ni/H_2}{\longrightarrow} D$<br/><br/> In the above sequence of reactions, compound D is:<br/>
Question 102 :
$3$-Hydroxy butanal is formed when (X) reacts with (Y) in dilute (Z) solution. What are X, Y and Z?
Question 104 :
When $CH_3MgI$ is made to react with acetone and the addition product is hydrolysed, we get:
Question 108 :
What will be product when lithium aluminum hydride react with propanal?
Question 109 :
Which reagent can be used to complete the following reaction?<br/>$ n\ C_{3}H_{7}-CO_{2}H\xrightarrow? n\ C_{4}H_{9}OH$<br/>
Question 110 :
Reaction of which among the following ethers with $HI$ in cold leads to formation of methyl alcohol?
Question 113 :
What will happen when diethyl ether treated with hot and conc. $HI$?
Question 114 :
Ethanoic acid can be obtained from ethanol by the process of :<br/>
Question 115 :
Acetyl bromide when reacts with excess of $CH_3MgI$ followed by treatment with saturated solution of $NH_4Cl$ it gives.
Question 116 :
An organic compound (A) reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound (B). Compound (B) gives blue colour salt in Victor Meyer's test. The compounds (A) and (B) are respectively:
Question 117 :
Which of the following are the starting materials for the Grignard's synthesis of tert. butyl alcohol?
Question 119 :
Propane is not formed when ${C}_{3}{H}_{7}MgBr$ is treated with _________ .
Question 120 :
Acetone on treatment with $ CH_3 -Mg -I $ and on further hydrolysis gives 
Question 121 :
Primary alcohols are obtained by the reaction of Grignard reagent with : <br/>
Question 122 :
Identify the reactant $ X $ and the product $ Y $ <br/>$ CH_3 - CO - CH_3 + X \rightarrow (CH_3)_3C - OMg - Cl $<br/>                                                         $ {\downarrow}{Hydrolysis} $ <br/>                                                      $ Y + Mg (OH) Cl $<br/>
Question 124 :
Which of the following alcohol cannot be synthesized by using $\displaystyle { C }_{ 2 }{ H }_{ 5 }-Br$?
Question 127 :
Which of the following products is formed when benzaldehyde is treated with $ CH_3MgBr $ and the addition product so obtained is subjected to acid hydrolysis
Question 128 :
Which is the major product obtained by hydrolysis of compound formed by reaction between<br>formaldehyde and ethyl magnesium bromide?
Question 130 :
A primary amine can be converted to an alchohol by the action of
Question 132 :
Assertion: The solubility of n-alcohol in water decreases with an increase in molecular weight.
Reason: The reactive proportion of the hydrocarbon part in alcohols increases with increasing molecular weight which permits enhanced hydrogen bonding with water.
Question 133 :
Which of the following alcohols is the least soluble in water?
Question 134 :
Among the three isomers of the nitrophenol, the one that is least soluble in water is:
Question 136 :
Solubility of alcohols in water is _______ to that of hydrocarbons of comparable molecular masses.<br/>
Question 139 :
Which of the following statements is not correctly showing the trend of the properties mentioned ?
Question 140 :
Unlike phenol, 2,4-dinitrophenol is soluble in sodium carbonate solution in water because ?
Question 141 :
Alcohols containing only up to ___________ carbon atoms are completely miscible with water.<br/>
Question 142 :
Alcohols containing only up to ________________carbon atoms are completely miscible with water.
Question 143 :
Statement-1: In the fermentation process of molasses, along with yeast, $(NH_{4})_{2}SO_{4}$  and $(NH_{4})_{3}PO_{4}$ are added.<br/>Statement-2: Both $(NH_{4})_{3}PO_{4}$ and $(NH_{4})_{2}SO_{4}$ act as food and help in the growth of yeast.<br/>
Question 144 :
Which of the following will form ${ 1 }^{ o }$ alcohol?
Question 146 :
Consider the following reaction sequence.<br/>$\displaystyle { CH }_{ 2 }={ CH }_{ 2 }\xrightarrow [ dil.{ KMnO }_{ 4 } ]{ cold } A\xrightarrow [ { PCl }_{ 5 } ]{ excess } B$<br/>The products $(A)$ and $(B)$ are, respectively:<br/>
Question 147 :
Which of the following are the starting materials for the synthesis of t-butanol?<br/>
Question 150 :
Acetic anhydride on reduction with $ LiAlH_4 $ in ether gives
Question 151 :
The coupling between ${C}_{2}{H}_{5}MgBr$ and $MeBr$ gives propane in the presence of:
Question 152 :
Which of the following compounds will giveethyl alcohol on reduction with $LiAIH_{4}$?
Question 153 :
In which of the following solvents, KI has highest solubility? The dielectric constant $(\epsilon)$ of each liquid is given in parentheses.
Question 154 :
Which one of the following compounds do not give a primary alcohol on reduction ?
Question 155 :
$0.037$g of an alcohol, $R-OH$ was added to $CH_3MgBr$ and the gas evolved measured $11.2$ mL at STP. The molecular mass of $R-OH$ will be?
Question 157 :
Write the IUPAC name of $\begin{matrix} & OH & \\ & | & \\ C{ H }_{ 3 }-C{ H }_{ 2 }- & C & -C{ H }_{ 2 }-C{ H }_{ 3 } \\ & | & \\ & C{ H }_{ 3 } & \end{matrix}$
Question 158 :
Choose the correct answer among the alternatives given,<br/><br/>One mole of ethyl acetate on treatment with an excess of $LiAlH_4$ in dry ether and subsequent acidification produces:
Question 159 :
Phenol is an organic compound even though it is soluble in water due to the presence of:
Question 160 :
Which of the following is not an example of symmetrical ether?
Question 161 :
$(CH_3)_2CHCHO+CH_3MgBr \xrightarrow {ether} A \xrightarrow {H_3O^+} B$<br/>The IUPAC name of '$B$' is :
Question 162 :
Which of the following reactions can be used to prepare $\begin{matrix} & OH & \\ & | & \\ C{ H }_{ 3 }- & C- & { C }_{ 6 }{ H }_{ 5 } \\ & | & \\ & { C }_{ 2 }{ H }_{ 5 } & \end{matrix}$
Question 163 :
Identify by compound $B$ in the following series of reaction.<br/>Propanenitrile $\xrightarrow{Na/alc} A \xrightarrow[dil. HCl]{NaNO_2} B$.
Question 164 :
The sodium phenoxide ion formed during the preparation of phenol from benzene suphonic hydrolysed in prasence of acid to:<br/>
Question 165 :
The general molecular formula, which represents the homologous series of alkanol is:
Question 166 :
Which of the following functional group could be reduced by $NaBH_4$?
Question 167 :
When $ H_2C = CH-COOH $ is reduced with $ LiAlH_4 $, the compound obtained will be:
Question 169 :
Assertion: Solubility on n-alcohols in water decreases with increase in molecular weight.<br/>
Reason: The relative proportion of the hydrocarbon part in alcohols increases with increasing molecular weight which permits enhanced hydrogen bond with water.
Question 170 :
$C_6H_6$ + hot conc. $H_2SO_4$ $\rightarrow$ $X$<br/>$X + Y  \rightarrow$ phenol<br/>Identify $X$ and $Y$.
Question 177 :
Extremely dangerous and deadly cardiac glycosides are carried from the milkweed plant by the?
Question 178 :
The products formed when a pinch of sugar is strongly heated for fifteen minutes in a test tube are:
Question 179 :
When sugar is treated with sulphuric acid, we get a very pure form of:
Question 182 :
Transition state structure of the substate formed during an enzymatic reaction is
Question 184 :
The light coming from the sun is stored as energy in plants by the process of photosynthesis. This happens by converting carbon dioxide and water into:
Question 193 :
Pyranose is the compounds which contain 5 memberedrings in their molecule.
Question 195 :
When methyl D-Glucopyranoside is oxidized with periodic acid, how many moles of the oxidizing agent areconsumed per mole of the sugar ?
Question 197 :
Assertion: Reducing sugar give a red precipitate with Fehling's solution and show mutarotation.
Reason: During mutarotation, one pure anomer is converted into a mixture of two anomers.
Question 199 :
Among the naturally occurring carbohydrates, furanose ring is found in the:
Question 200 :
Which of the following monosaccharides are present as a five-membered cyclic structure ( furanose structure )?
Question 205 :
Glucose forms many derivatives. The derivative which will help to prove the furanose structure is 
Question 206 :
State whether the following statements are True or False:<br>Both $\alpha -D-$glucose and $\beta -D-$glucose have the same specific rotation.
Question 209 :
State whether the following statements are True or False:<br/><br/>Fructose is an aldose.
Question 216 :
An example of disaccharide, made up of two units of the same monosaccharide, is:
Question 217 : Match the following.<br/><table class="wysiwyg-table"><tbody><tr><td>List-I </td><td>List-II   (Monomer)</td></tr><tr><td>A) Sucrose</td><td>i) $\beta$-D-Galactose and  $\beta$-D-Glucose</td></tr><tr><td>B) Cellulose</td><td> ii) $\alpha$-D-Glucose and  $\beta$-D-Fructose</td></tr><tr><td>C) Starch</td><td> iii) $\beta$-D-Glucose</td></tr><tr><td>D) Lactose</td><td>iv) $\alpha$-D-Glucose</td></tr></tbody></table>
Question 218 :
An organic compound answers Molisch's test as well as Benedict's test.But it does not answer Scliwanoffs test.Most probably, it is
Question 221 :
Identify disaccharides among the following:<br/>(a) Stachyose            (b) Lactose<br/>(c) Maltose               (d) Raffinose
Question 223 :
A sugar, that is not a disaccharide, among the following is
Question 224 :
Sucrose doesn't respond to tollen's test. But, it gives a positive result after boiling with conc. $HCl$. It is due to the:
Question 226 :
Assertion: Glycosides are hydrolyzed in acidic conditions.
Reason: Glycosides are acetals.
Question 227 :
A disaccharide consists of two mono saccharides joined by _____ bonds.<br/>
Question 229 :
Assertion: Two sugar units joined by $1, 2$-glycosidic bond in sucralose.
Reason: It contains $C_1$-glucose and $C_2$-fructose glycosidic bond.
Question 234 :
The glycosidic linkage involved in linking the glucose units in amylose part of starch is:
Question 239 :
Acidic or enzymatic hydrolysis of sucrose to give an equimolar mixture of glucose and fructose, is called:<br/>
Question 240 :
Sucrose (+) on hydrolysis gives a mixture of D-(+) glucose, $\displaystyle [\alpha { ] }_{ D }={ 52.7 }^{ o }$ and D-() fructose = 92.4, known as invert sugar. Calculate the rotation of mixture, i.e., invert sugar :<br/>
Question 243 :
Free aldehyde group can be produced on hydrolysis of which of the following compound(s)?
Question 245 :
Assertion: Deoxyribose ${C}_{5}{H}_{10}{O}_{4}$ is not a carbohydrate.
Reason: Carbohydrates are hydrates of carbon so, compounds which follow ${C}_{x}{({H}_{2}O)}_{y}$ formula are carbohydrates.
Question 246 :
The statement 'Sucrose has $C_{1}-C_{2}$ glycosidic linkage between $\beta$-D-Glucose & $\alpha$-D-Fructose' is<br/>
Question 247 :
Assertion: Sucrose is a reducing sugar and exhibits mutarotation.
Reason: Sucrose is a disaccharide consisting of glucose and fructose units.
Question 249 :
Assertion: $D-2-Deoxyglucose$ reacts with 3 mol $PhNH{NH}_{2}$ and forms an osazone.
Reason: $D-2-Deoxyglucose$ has no $(C-OH)$ group $\alpha$- to the $(C=O)$ group
Question 250 :
Fructose on reduction gives a mixture of two alcohols which are related as:
Question 251 :
The reagent which may be used to distinguish between cane sugar and glucose solutions is :<br/>
Question 254 :
What percentage of $\beta - D - (+) -$ glucopyranose is found at equilibrium in the aqueous solution?
Question 257 : Match the following:<br/><b>Name of the sugar</b>       <b>Hydrolysis products<br/></b><table class="wysiwyg-table"><tbody><tr><td>A) Sucrose            </td><td>i) Glucose $+$ Fructose $+$ Galactose</td></tr><tr><td>B) Lactose</td><td>ii) Glucose $+$ Fructose</td></tr><tr><td>C) Maltose</td><td>iii) Glucose $+$ Galactose</td></tr><tr><td>D) Raffinose</td><td>iv) Glucose $+$ Glucose</td></tr></tbody></table>
Question 258 :
The change is optical rotation with time of freshly prepared solutions of sugar, is known as
Question 260 : <table class="table table-bordered"><tbody><tr><td> $Glucose$ $+ CH_{3}OH \overset{HCl(g)}\rightarrow$</td><td>(1)Mannose<br/><br/></td></tr><tr><td> $Sucrose$ $+ H_{3}O^{+} \rightarrow $</td><td>(2) Galactose </td></tr><tr><td> $Fructose$ $ \overset{Base}{\rightarrow}$</td><td>(3) Glucose<br/></td></tr><tr><td> $Lactose$ $+ H_{3}O^{+}\rightarrow $</td><td>(4) Fructose</td></tr><tr><td> </td><td>(5) Glucoside</td></tr></tbody></table>
Question 262 :
The two forms of D-glucopyranose obtained from the solution of D-glucose are called:
Question 263 :
Assertion: The two cyclic hemiacetal forms of glucose, $\alpha-$ form and $\beta-$ form are called anomers.
Reason: Anomers differ only in the configuration of the hydroxyl group at $C-1$.
Question 264 :
What is the angle of rotation when $\displaystyle 5M\, \alpha -D$ mannopyranose is taken in of length 200mm?
Question 265 :
The optical rotation of the $\alpha$ form of pyranose is $+150.7^0$, that of the $\beta$ form is $+52.8^0$. In solution an equilibrium mixture of these anomers has an optical rotation of $+80.2^0$. The percentage of the $\alpha$ - form in equilibrium mixture is:
