JEE CHEMISTRY MCQ: AMINES

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A colourless, odourless and non-combustible gas is liberated when ethylamine reacts with:

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Correct option: C

\mathrm{NaN}{\mathrm{O}_2} + \mathrm{HCl}

Option C (

\mathrm{NaN}{\mathrm{O}_2} + \mathrm{HCl}

) is correct because ethylamine reacts with nitrous acid (generated from

NaNO_2 + HCl

) to produce ethanol and nitrogen gas, which is colorless, odorless, and non-combustible.

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\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: