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Standard XII
Chemistry
Synthesis of Phenols-I
why alkyl hal...
Question
why alkyl halide on reaction with aqueous KOH give substitution reaction but on reacton with alcholicKOH give dehydro halogenation raaction why?
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Q.
Phenol on heating with
N
a
O
H
followed by the reaction with alkyl halide gives:
Q.
Why are aryl halides less reactive than alkyl halides towards nucleophilic substitution reactions ?
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An alkyl halide on reaction with sodium in the presence of ether gives 2,2,5,5-tetramethylhexane. The alkyl halide is:
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Assertion :Statement-I : nucleophilic substitution reaction on an optically active alkyl halide gives a mixture of enantiomers.
Because Reason: Statement-II : The reaction occurs by
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Which of the following on reaction with aqueous KOH gives acetaldehyde?
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