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The formation of cyanohydrin from a keto...

The formation of cyanohydrin from a ketone is an example of
nucleophilic substitution
electrophilic substitution
electrophilic addition
nucleophilic addition.

A

Electrophilic addtion

B

Nucleophilic addtion

C

Nucleophilic substitution

D

Electrophilic substitution

Text Solution

Verified by Experts

The correct Answer is:
B
Aldehydes and ketones undergo `NA` reactions.
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Knowledge Check

  • Which of the following reactions is not an example of electrophilic substitution ?

    A
    `C_(6)H_(6) + ""^(+)NO_(2) to C_(6)H_(5)NO_(2) + H^(+)`
    B
    `C_(6)H_(5) + CH_(3)Cl overset(AlCl_(3))to C_(6)H_(5) - CH_(3) + HCl`
    C
    `C_(6)H_(6) + Cl_(2) overset("UV light")to C_(6)H_(6)Cl_(6)`
    D
    `C_(6)H_(5)OH + CO + HCl underset(AlCl_(3))overset("Anhy")to`

  • Which one is a nucleophilic substitution reaction among the following ?

    A
    `RCHO + R 'Mg x to R - underset(OH) underset(|) CH -R `
    B
    `CH_3 - CH_2 - oevrset(CH_3) overset(|) CH -CH_2 Br +NH_3 to CH_3 - CH_2 - overset(CH_3) overset(|) CH-CH_2 NH_2`
    C
    `CH_3 CHO +HCN to CH_3 CH (OH) CN`
    D
    `CH_3 - CH = CH_2 + H_2 O overset(H^(+)) to CH_3 - underset(OH) underset(|) CH - CH_3`