The compound which on reaction with aqueous HNO₂ at low temperature produces an oily nitrosoamine is

• methyl amine

• ethyl amine

• diethyl amine

• aniline

Amongst the following the most basic compund is

• benzyl amine

• aniline

• acetanilide

• p -nitroaniline

Acetylene reacting with HCN in presence of Ba(CN)₂ gives

• vinyl cyanide

• 1,1-dicyanoethane

• 1,2-dicyanoethane

• None of the above

In dehydrolysing reaction, CH₃CONH₂ $\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }$ CH₃CN + H₂O the hybridisation state of carbon is changed from

• sp³ to sp²

• sp to sp²

• sp² to sp

• sp to sp³

The main compund obtained by fusion of sodium with aniline is

• NaCN

• NaN₃

• NaSCN

• NaNO₂

RCONH₂ + Br₂ + KOH → Amine

This reaction is

• Carbyl amine reaction

• Mustard oil reaction

• Hofmann bromamde reaction

• Cannizaro reaction

Which of the following is strongest base?

• C₆H₅NH₂

• p-NO₂-C₆H₄NH₂

• m-NO₂-C₆H₄NH₂

• C₆H₅CH₂NH₂

138.

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