Question 3 :
The IUPAC name of haloalkane is always written as a ______ word.
Question 7 :
The order of reactivity of carbonyl compounds for nucleophilic addition is:
Question 8 :
When ethyl alcohol $(C_2H_5OH)$ reacts with thionyl chloride , in the presence of pyridine , the product obtained is
Question 9 :
Which of the following reactants can be employed to prepare 1-chloropropane?
Question 11 :
The function of bleaching powder in the preparation of $CHCl_{3}$ is:<br/>
Question 12 :
When ethyl alcohol is heated with a paste of bleaching powder, we get an intermediate compound. The formula of that compound is:<br/>
Question 13 :
The correct reactivity order of alcohols towards $H-X$ will be:<br/>(I) $C{ H }_{ 2 }=CH-OH$<br/>(II) $C{ H }_{ 2 }=CH-C{ H }_{ 2 }OH$<br/>(III) $C{ H }_{ 3 }-C{ H }_{ 2 }-OH$<br/>(IV) $C{ H }_{ 3 }-\underset { \overset { | }{ OH } }{ CH } -C{ H }_{ 3 }$
Question 14 :
For the reaction,<br/>${ C }_{ 2 }{ H }_{ 5 }OH+HX\underrightarrow { \quad \quad Zn{ X }_{ 2 }\quad \quad } { C }_{ 2 }{ H }_{ 5 }X$,<br/>the order of reactivity is:
Question 15 :
<span>Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated $HCl$ at room temperature?<br></span>
Question 16 :
The preparation of alkyl fluoride from alkyl chloride, in presence of metallic fluorides is known as :
Question 17 :
Methyl bromide reacts with Ag to give methyl fluoride and silver bromide. Is this reaction called?
Question 18 :
Which of the following is the method from which alkyl halides can't be obtained?
Question 22 :
$C - Cl$ bond of chlorobenzene in comparison to $C - Cl$ bond of methyl chloride is:
Question 23 :
What is the hybridisation of carbon that is attached to chlorine atom in n-primary alkyl halide?<br>
Question 24 :
Which of the following molecule would have a carbon halogen bond most susceptible to nucleophilic substitution?
Question 26 :
In which of the following cases $C-C$ bond length will be the longest?
Question 28 :
Assertion: The boiling points of alkyl halides decrease in the order: $ RI> RBr> RCl> RF. $
Reason: The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass.
Question 30 :
In the following reaction sequence:<div><br/><div>$\underset{(C_3H_6Cl_2)}{I} \xrightarrow {KOH(aq)} II \xrightarrow[(ii)H_2O/H^+]{(i)CH_3MgBr} III \xrightarrow{Anhy.ZnCl_2+Con.HCl} $ give trubidity immediately</div></div>
Question 31 :
For the compounds $CH_3Cl, CH_3Br, CH_3I$ and $CH_3F$, the correct order of increasing C-halogen bond length is:
Question 34 :
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 35 :
<span>Markovnikov's rule for the addition of hydrogen halides to alkenes states that the incoming hydrogen bonds to the :</span>
Question 36 :
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.<div><br/></div><div>Read the above assertion and reason and choose the correct option regarding it.</div>
Question 37 :
$C_3H_7Cl \xrightarrow {KOH(alc.)} (A) \xrightarrow {770\ K}{Cl_2 (g)} (X)$<br>(X) can be:
Question 38 :
A 10 g 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 and the entire alkane is monobrominated in the presence of light at $127^{\circ}$C, how much of it would be formed? (Atomic weight of bromine = 80)
Question 41 :
Which of the following reaction(s) can be used for the preparation of alkyl halides?<br>(I) $CH_3CH_2OH+HCl\xrightarrow {anh.ZnCl_2}$<br>(II) $CH_3CH_2OH+HCl\rightarrow$<br>(III) $(CH_3)_3COH+HCl\rightarrow$<br>(IV) $(CH_3)_2CHOH+HCl\xrightarrow {anh.ZnCl_2}$
Question 42 :
The reaction conditions leading to the best yield of $C_2H_5Cl $ are:
Question 43 :
Haloalkanes contain halogen atom (s) attached to the $ sp^{3} $ hybridised carbon atom of an alkyl group. Identify haloalkane from the following compounds.
Question 44 :
$ C_2H_5Br$ can be obtained in the laboratory by the action of ethyl alcohol with:
Question 45 :
Which of the following is not an example of Sand-meyer's reaction?