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JEE CHEMISTRY MCQ: HALOALKANES AND HALO ARENES
1
Medium
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Understanding
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In reaction, the recemization takes place. It is due to
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Correct option: D
Both (1) and (2)
Option D (Both (1) and (2)) is correct because SN1 reactions proceed through a carbocation intermediate, which can be attacked from either side, leading to both inversion and retention of configuration, resulting in racemization.
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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:
.
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:
.
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: