Answer:
(i) The reactivity of a. compound depends on the
sterichindrance due to the groups present around the carbonyl group.Greater the
steric hindrance, less will be the reactivity of thecompound. Reactivity
towards HCN is in following order.
Di-tertiary butyl ketone < Methyl
tertiary butyl 1-retorie < Acetone< Acetaldehyde.
(ii) Alkyl group with effect
decreases the acidic strength whereaswith effect
increases the acidic strength -I effect decreases withdistance.
Increasing order of acidic
strength is
Increasing order of acidic
strength is
(iii) Electron donating group decreases
the acidic strength whereas electron withdrawing group increases
the same.
Increasing order of acidic
strength is:
4-methoxy benzoic acid < benzoic acid
< 4-nitrobenzoic acid<3,4-dinitrobenzoic acid.
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