When benzaldehyde is nitrated we get:
p-Nitrobenzaldehyde
o-Nitrobenzaldehyde
m-hydroxybenzaldehyde
m-Nitrobenzaldehyde
Benzaldehyde when nitrated we get m-Nitrobenzaldehyde
How many of the following will give faster rate of cyanohydrins formation than benzaldehyde? ___ (a) p-methoxy benzaldehyde (b) p-cyano benzaldehyde (c) p-nitrobenzaldehyde (d) p-methylbenzaldehyde
Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions.
(i) Ethanal, Propanal, Propanone, Butanone.
(ii) Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.
Hint: Consider steric effect and electronic effect.