JEE CHEMISTRY MCQ: HALOALKANES AND HALO ARENES

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The reaction :

{C}_2 {H}_5 {OH}+{SOCl}_2 \stackrel{\text { Pyridine }}{\longrightarrow} {C}_2 {H}_5 {Cl}+{SO}_2+{HCl}

is known as

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Correct option: C

Darzen's procedure

Option C (Darzen's procedure) is correct because the reaction of an alcohol with thionyl chloride (SOCl₂) in the presence of pyridine to form an alkyl chloride is known as the Darzen's procedure.

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An alkyl halide reacts with metallic sodium in dry ether. The reaction is known as : In electrophilic substitution reaction of chlorobenzene, the chloro group: Which of the followings statements is/are incorrect? Polymerization of alkenes takes place through Assertion (A): The boiling points of alkyl halides decrease in the order:

RI > {R B r} > {R C I} > {R F}

.

Reason (R): The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass. Friedel-Craft’s reaction of bromobenzene with methyl iodide gives: