The reaction of aniline with chloroform under alkaline conditions leads to the formation of 

• phenylcyanide

• phenylisonitrile

• phenylcyanate

• phenylisocyanate

In the reaction,

                     A is

• HgSO₄ /H₂SO₄

• Cu₂Cl₂

• H₃PO₂ and H₂O

• H⁺ /H₂O

Write down true products when n-butyl trimethyl amine is heated strongly.

Which one of the following is called a carbylamine?

• RCN

• RCONH₂

• RCH= NH

• RNC

How many primary amines are possible with the formula C₄H₁₁N?

• 1

• 2

• 3

• 4

When acetamide reacts with Br₂ and caustic soda, then we get :

• acetic acid

• bromoacetic acid

• methyl amine

• ethyl amine

Which of the following gives oxalic acid?

• Heating of acetic acid

• Action of nitric acid on glucose

• Acidic hydrolysis of cyanogen

• Strong heating of sodium formate

Benzene diazonium chloride on reaction with phenol in weakly basic medium gives

• diphenyl ether

• p-hydroxy azobenzene

• chlorobenzene

• benzene

319.

Hinsberg's reagent is

• C₆H₅COCl

• CH₃COCl

• C₆H₅CH₂Cl

• C₆H₅SO₂Cl

Nessler's reagent is used to detect

• ${\mathrm{CrO}}_4^{2-}$

• ${\mathrm{PO}}_4^{3-}$

• ${\mathrm{MnO}}_4^{-}$

• ${\mathrm{NH}}_4^{+}$