191.

Coupling of benzene diazonium chloride with 1-naphthol in alkaline medium will give:

• 

• 

• 

• 

Which of the following amines can be prepared by Gabriel phthalimide reaction ?

• n-butylamine

• neo-pentylamine

• t-butylamine

• triethylamine

The major product obtained in the following reaction is:

The peptide that gives positive ceric ammonium nitrate and carbylamines tests is:

• Asp-Gln

• Ser-Lys

• Gln-Asp

• Lys-Asp

The major products A and B for the following reactions are, respectively:

The major product in the following reaction is:

The major producer of the following reaction is

${\mathrm{CH}}_3{\mathrm{CHOHCH}}_2{\mathrm{CH}}_2{\mathrm{NH}}_2 \underset{\mathrm{triethylamine}}{\overset{\mathrm{ethyl} \mathrm{formate}(1 \mathrm{equiv}.)}{\to }}$

• CH₃CH=CH-CH₂NH₂

• CH₃-CHOH-CH=CH₂

• 

• CH₃-CHOHCH₂CH₂NHCHO

Ethylamine (C₂H₅NH₂) can be obtained from N-ethipthalimide on treatment with

• CaH₂

• H₂O

• NaBH₄

• NH₂NH₂

Aniline dissolved in dilute HCl is reacted with sodium nitrite at 0ºC. This solution was added dropwise to a solution containing equimolar mixture of aniline and phenol in dil. HCl. The structure of the major product is

The major product ‘Y’ in the following reaction is :