Given below are two statements:
Statement I: The dipole moment of R-CN is greater than R-NC and R-NC can undergo hydrolysis under acidic medium to produce

Statement II: R-CN hydrolyses under acidic medium to produce a compound which on treatment with
, followed by the addition of
gives another compound
. This compound
on treatment with
gives a product, that on treatment with
produces R-NC.
In the light of the above statements, choose the correct answer from the options given below
Text Solution
Verified by ExpertsB
Statement I: The dipole moment of alkyl cyanides
is indeed greater than alkyl isocyanides (
) because the
bond is more polar than the
bond where formal charges oppose the electronegativity difference. However, the acidic hydrolysis of
produces a primary amine (
) and formic acid
, not a carboxylic acid
. Thus, Statement I is false.
Statement II:
on acidic hydrolysis gives
. Treatment with
gives
. Addition of
gives
(compound x). Treatment of
with
(Hofmann Bromamide Degradation equivalent) gives
on treatment with
(Carbylamine reaction) produces
. Thus, Statement II is true.
Therefore, Statement I is false but Statement II is true.
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