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JEE CHEMISTRY MCQ: AMINES

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Understanding +4 | -1
The major product and intermediate respectively of the following reaction is
CH3NH2+CHCl3+KOH⟶\mathrm{CH}_3 \mathrm{NH}_2+\mathrm{CHCl}_3+\mathrm{KOH} \longrightarrow
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Correct option: C
CH3N = →C,:CCl2{\text{C}}{{\text{H}}_3}{\text{N}}\mathop {\text{ = }}\limits^ \to {\text{C}},:{\text{CC}}{{\text{l}}_2}
Option C (CH3N = →C,:CCl2{\text{C}}{{\text{H}}_3}{\text{N}}\mathop {\text{ = }}\limits^ \to {\text{C}},:{\text{CC}}{{\text{l}}_2}) is correct because the reaction is the carbylamine reaction, and dichlorocarbene is the intermediate.

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Identify 'Z\mathrm{Z}' in the sequence

C6H5NH2→NaNO2+HClX→CuCNY→H+/H2OZ{{\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:
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