Mark the correct statement.

• Methylamine is slightly acidic

• Methylamine is less basic than NH₃

• Methylamine is stronger base than NH₃

• Methylamine forms salt with alkalies

Which among the following represents an amide?

In the carbylamine reaction, R-X is converted to R-Y via the intermediate Z. R-X, R-Y and Z, respectively, are

• RNH₂, RNC, Carbene

• RNH₂, RNC, nitrene

• RNC, RNH₂, carbene

• ROH, RNC, nitrene

Which one of the following is the strongest base ?

• 2,4,6-trinitroaniline

• 2,4,6-trinitro-N,N-dimethyl aniline

• N, N-dimethyl aniline

• Anline

Hinsberg's reagent is

• benzene sulphonyl chloride

• benzene sulphonic acid

• phenyl isocyanide

• benzene sulphonamide

The given reaction is called as

• Schmidt rearrangement

• Curtius rearrangement

• Hofmann rearrangement

• Lossen rearrangement

567.

Correct basicity of the following compounds are

I. Aniline

II. Pyridine

III. Pyrrole

IV. Guanidine

• I >II >III >IV

• III >I >II >IV

• IV >II >I >III

• II >IV>III >I

One amine is more basic than ammonia and the other is less basic than ammonia. The two amines are respectively

• N-methyl ethanamine and N, N-dimethyl ethanamine

• aniline and N-methyl aniline

• N-methyl aniline and aniline

• N, N-dimethyl aniline and benzenamine

One of the isomer of C₄H₁₁N is optically active. It must be a

• primary amine

• secondary amine

• tertiary amine

• all isomers are optically inactive

Which of the following compounds cannot be identified by carbylamine test?

• CHCl₃

• C₆H₅-NH-C₆H₅

• C₆H₅NH₂

• CH₃CH₂NH₂