JEE CHEMISTRY MCQ: AMINES

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Ethylamine is heated with

{CS}_2

in the presence of

{HgCl}_2

. The product formed is

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Correct option: D

Ethyl isothiocyanate

Option D (Ethyl isothiocyanate) is correct because the reaction of ethylamine with

CS_2

in the presence of

HgCl_2

results in the formation of ethyl isothiocyanate, known as the Hoffmann mustard oil reaction.

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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: