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54.

55.

56.

57.

58.

59.

Predict the product of the following reaction.
° 81:۰ NaOH
0119611 ಲ 1120
A) Propylamine B) Ethylamine C) Propanoic acid ൧) None of these

Identify the wrong statement regarding carbocation rearrangement.

A) Tertiary alkyl groups generally undergo 1,2-shifts to the electron-deficient
centres more readily than primary and secondary alkyl groups do.

8) The bond breaking and making are concerted in the 1, 2-shift of a methyl group
in carbocations.

C) The transition structure for a 1,2-shift to an electron-deficient centre is
regarded as a cyclic three-centre two-electron system.

D) The configuration of a carbon centre undergoing a 1,2-shift in a carbocation is
not retained.

Etard reaction in the following is

A) Oxidation of toluene to benzaldehyde by chromyl chloride

B) Oxidation of toluene to benzaldehyde by alkaline KMnO,
) Dry distillation of calcium benzoate
)

८20

Reaction of benzene with Cl, in the presence of UV light

The chlorination of toluene in pressure of ferric chloride gives mostly

A) Meta-chlorotoluene B) Benzyl chloride

C) Dichlorobenzene D) ഠ- and p-chlorobenzene

In the nitrating mixture, 11103 acts as which among the following ?

A) Base B) Acid

C) Reducing agent D) Catalyst

Which of the following is not a correct statement on aromatic electrophilic substitution

reactions ?

A) - CN is deactivating and m-directing
8) - Bris activating and ೦, p-directing

©) - OCH, is activating and ೦, p-directing
0) — Nh, is activating and ೦, p-directing

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