When ${\rm{NaN}}{{\rm{O}}_2}$ and dilute ${\rm{HCl}}$ were added to an amine at ${\rm{0}}^\circ {\rm{C}}$, a colourless gas was evolved and an ionic compound is formed. The amine is

JEE CHEMISTRY MCQ: AMINES

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Analyzing +4 | -1

When

\mathrm{NaN}{\mathrm{O}_2}

and dilute

\mathrm{HCl}

were added to an amine at

\mathrm{0}^\circ \mathrm{C}

, a colourless gas was evolved and an ionic compound is formed. The amine is

View answer and explanation

Correct option: B

An aromatic primary amine

Option B is correct because an aromatic primary amine reacts with NaNO2 and HCl at 0°C to form a diazonium salt, which is an ionic compound, and evolves nitrogen gas upon warming.

More Questions from AMINES

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Identify '

\mathrm{Z}

' in the sequence

{{\text{C}}_6}{{\text{H}}_5}{\text{N}}{{\text{H}}_2}\xrightarrow{{{\text{NaN}}{{\text{O}}_2} + {\text{HCl}}}}{\text{X}}\xrightarrow{{{\text{CuCN}}}}{\text{Y}}\xrightarrow{{{{\text{H}}^ + }/{{\text{H}}_2}{\text{O}}}}{\text{Z}}

The primary, secondary and tertiary amines can be distinguished by: Assertion: The main product of reaction of alcoholic silver nitrite and ethyl bromide is nitroethane.

Reason: Silver nitrite is predominantly covalent compound. Hofmann’s bromamide reaction is to convert Gabriel phthalamide synthesis is used for preparation of :- Elements found in explosive are: