Question 2 :
Which of the following statements is/are incorrect for diamond?<br/>(a) The refractive index of diamond is highest among solids.<br/>(b) Diamond is hard because all the valence electrons of each carbon atom are involved in bond formation.<br/>(c) Diamond is thermodynamically more stable than graphite.<br/>(d) One carat of diamond represents its weight.
Question 7 : <p>Which out of the following has smell similar to that of vinegar?</p>
Question 17 :
The most common reactions of homologous series increase the number of :
Question 20 :
Water which gives lather with soap easily is called as hard water.<br/>
Question 25 :
Methane, ethane and propane are said to form a homologous series because all are:<br/>
Question 28 :
Which of the following reagent reacts with ethanoic acid to liberate hydrogen gas?<br/>
Question 30 :
The carbon atoms in diamond are bonded to each other by:
Question 32 :
Which of the following is a monounsaturated hydrocarbon, i.e. the compound that contains one carbon - carbon double bond?
Question 34 :
How many carbon atoms are present in a molecule of nonane?
Question 38 :
The organic compounds having double or triple bond(s) in them are termed as ________________.
Question 41 :
Which of the following is the true statement for carbon atoms :<br/>
Question 43 : <p>Which of the following does not belong to the same homologous series?</p><p>(1) $ C_{4}H_{10} $  (2) $ C_{2}H_{6} $  (3) $ C_{3}H_{8} $  (4) $ C_{4}H_{8} $</p>
Question 45 :
The phenomenon of existence of an element in more than one physical form is called allotropy.<br/>
Question 47 :
Fullerene, an allotrope of carbon, has 60 carbon atoms joined together and no other element in it. There are various types of fullerenes. $C_{60}, C_{70}, C_{74}$ and $C_{78}$ are the members of the fullerene family. Identify the property due to which such large numbers of carbon atoms are joined together in this molecule :
Question 48 :
When 2 hydrogen atoms combine to form $H_2$ molecule, the system ______ .
Question 49 :
Hydrocarbons are the organic compounds that contain the elements _______ and ________.
Question 54 : <span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">The $IUPAC$ name for the complex<span style="font-size: small;">$[Co(NO_{2})(NH_{3})_{5}]Cl_{2}$ is: </p>
Question 55 :
Which of the following does not decolourise bromine solution in carbon disulphide
Question 56 :
$K_{3}\left [ Al\left ( C_{2}O_{4} \right )_{3} \right ]$ is called:<br/>
Question 57 :
Detergents are more efficient than soaps in cleaning, yet you have to limit the use of detergents because:
Question 58 :
A sweet smelling compounds formed by reacting acetic acid with ethanol in the presence of hydrochloric acid is
Question 60 :
Which of the following pair of carbon compounds will undergo combustion as well as addition reaction?
Question 63 :
Assertion: Rectified spirit can be further purified by adding a dehydrating agent.<br/>
Reason: Addition of $H_2SO_4$ to 96% ethyl alcohol gives 100% ethyl alcohol.
Question 64 :
A complex cation is formed by Pt(in some oxidation state) with ligands (in proper number so that coordination number of Pt becomes six). <br/>Which of the following can be its correct IUPAC name :
Question 66 :
Which of the following compound will fall in the same homologous series of formic acid $(H-COOH)$? 
Question 72 :
Assertion: The ability of carbon to form chains gives rise to a homologous series of compounds.
Reason: Homologous series is a series of compounds with the same general formula, usually varying by a single parametersuch as the length of a carbon chain
Question 77 :
In the given reaction, alkaline KMnO$_4$ behaves as :<br/>$CH_3-CH_2-OH \xrightarrow {Alkaline\ KMnO_4 + Heat}CH_3-COOH$
Question 79 :
Alkanes mainly undergo substitution reactions and follow the free radical mechanism.  
Question 82 :
Chemically similar compounds differing by -$\displaystyle { CH }_{ 2 }$ unit are called :
Question 84 :
According to this reaction, ethanol is :<br/>2C$_2$H$_5$OH + 2Na -----> 2C$_2$H$_5$ONa + H$_2$<br/>
Question 85 :
Arrange the following hydrocarbons in the increasing order of volume of oxygen required for complete combustion per mole under the same conditions.<br/>(a) Ethane            (b) Propyne  <br/>(c) Ethyne            (d) Propene<br/>(e) Propane          (f) Ethene
Question 89 :
The IUPAC name of the complex $\left[ Cr{ Cl }_{ 2 }{ \left( { H }_{ 2 }O \right)  }_{ 4 } \right] N{ O }_{ 3 }$ is :
Question 90 :
Calculate the next homologue in each of the following:<br/>Methyl alcohol $ CH_3-OH$
Question 95 :
What is the formula of the compound cesium trichlorofluoro iodate(III) ?<br>
Question 96 :
LPG is liquefied petroleum gas which is a compound of butane and propane and used as :
Question 98 :
$2C_3H_8 + 7O_2 \rightarrow 2CO_2 + 8H_2O + 2CO + 2C$ Name the type of reaction.
Question 100 :
Give the IUPAC name of the complex compound $\left[ Co{ \left( N{ H }_{ 3 } \right)  }_{ 4 }\left( { H }_{ 2 }O \right) Br \right] { \left( N{ O }_{ 3 } \right)  }_{ 2 }$ .
Question 101 :
Which among the following will be named as dibromidobis (ethylenediamine) chromium(III) bromide?
Question 102 :
The catenation tendency of $C, Si$ and $Ge$ is in the order $Ge < Si < C$. The bond energies (in $kJ\ mol^{-1}$) of $C - C, Si - Si$ and $Ge - Ge$ bonds, respectively are:
Question 103 :
A complex whose IUPAC name is not correctly written is :<br>
Question 104 :
Consider the reaction $\displaystyle C_{2}H_{5}O^{\circleddash }+Dimethyl\:sulphate$ <br/>$\left( Me-O-\underset{O}{\underset{||} {\overset{O}{\overset{||}{S}}}}-O-Me \right) \rightarrow$<br/>The leaving group is:
Question 105 :
Assertion: Small quantity of soap is used to prepare a stable emulsion.
Reason: Soap lowers the interfacial tension between oil and water.
Question 106 :
The correct order of increasing covalent character of the following is:
Question 107 :
The IUPAC name for the complex $\displaystyle \left [ Co\left ( NH_{3} \right )_{5}\left ( NO_{2} \right ) \right ]Cl_{2}$ is:
Question 108 :
A compound $X$ is obtained by the reaction of alkaline $KMnO_4$ with another compound $Y$ followed by acidification. Compound $X$ also reacts with compound $Y$ in presence of few drops of $H_2SO_4$ to form a sweet smelling compound $Z$. The compound $X$, $Y$ and $Z$ are respectively :
Question 111 :
An organic compound 'A' produces a gas with brisk effervescence when sodium bicarbonate is added to it. The compound 'A' contains same number of carbons as in ethane. The compound 'A' reacts with ethanol to form a sweet smelling compound 'C' in presence of conc. $H_2SO_4$. A and C respectively are :
Question 115 :
Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient conditions is :
Question 116 :
Select the correct I.U.P.A.C. name for [(C$_6$H$_5$)$_3$P $Cl$ Pd Cl$_2$ Pd $Cl$(C$_6$H$_5$)$_3$P] 
Question 117 :
Which of the following compounds have been named correctly according to IUPAC rules: <br/>(a)$[Cr(NH_3)_5CO_3]Cl$   -  Pentamminecarbonatochromium (III) chloride<br/>(b)$[Co(NH_3)_5ONO]Cl_2$  -  Pentammine-O-nitritocobalt (III) chloride<br/>(c)$K_3[Cr(CN)_6]$ -  Potassium hexacyanochromate(III)<br/>(d)$[Co(NH_3)_6]Cl_3$  - Hexamminecobalt (III) chloride<br/>
Question 118 :
The IUPAC name for the coordination compound $\displaystyle Ba\left [ BrF_{4} \right ]_{2}$ is:
Question 121 :
In a polar covalent molecule, the shared electrons are shifted towards the more electronegative element.
Question 123 :
Assertion: Saturated hydrocarbons are chemically less reactive.
Reason: All isomeric paraffins have same parent name.
Question 125 :
Consider the following statements : A hydrocarbon of molecular formula $C_{5}H_{10}$ is a:<br>I. monosubstituted alkene<br>II. disubstituted alkene<br>III. trisubstituted alkene
Question 126 :
The ratio of number of lone pairs in $NH_3$, $H_2O$ and $XeF_{2}$ is :
Question 127 :
Lauryl alcohol on treatment with $H_2SO_4$ followed by neutralisation forms a product which is:
Question 129 :
In the protonation of ${ NH }_{ 3 }$ molecule, which of the following statement is true?<br/>
Question 131 :
Which is the best way of synthesizing $\displaystyle CH_{3}-C\equiv C-C\equiv C-CH_{3}$ starting from propyne?<br>
Question 134 :
In the case homologous series of alkanes, which one of the following statements is incorrect?
Question 137 :
Which of the following is more reactive towards nucleophilic addition reactions?
Question 138 :
Select the correct I.U.P.A.C name for $[Ti (\pi - C_5H_5)_2(\sigma - C_5H_5)_2]$.<br/>
Question 139 :
Which of the following is correct IUPAC name of any complex compound?
Question 140 :
A mono-acid organic base gave the following results on analysis. C = 78.6% H = 84% N = 13%. 0.4 gm of the platinic chloride left on ignition 0.125 gm of pt. The molecular formula of the base is:<br/>
Question 141 :
The $IUPAC$ name of $\displaystyle K_{4}\left [ Fe\left ( CN \right )_{6} \right ]$ is:
Question 142 :
Which gas is produced when compound $X$ reacts with washing soda?
Question 145 :
A student takes about 4 ml of distilled water in four test tubes marked $P, Q, R$ and $S$. He then dissolves in each test tube, an equal amount of various salts, viz. sodium sulphate in $P$, potassium sulphate in $Q$, calcium sulphate in $R$ and magnesium sulphate in $S$. After that, he adds an equal amount of soap solution in each test tube. On shaking each of these test tubes well, he observes a good amount of lather (foam) in the test tube marked:<br/>
Question 146 :
Which of the following is the most suitable method for removing the traces of water from ethanol?
Question 147 :
Propylsulphinic acid is prepared by the reaction of the following, followed by hydrolysis:
Question 148 :
Statement 1 : When a hydrocarbon is combusted in air, carbon monoxide is the major product.<br/>Statement 2 : Air contains much more nitrogen than oxygen.
Question 150 :
Bond energies are equal to dissociation energies in case of :
