The compound which on reaction with cold ${\rm{HN}}{{\rm{O}}_2}$ gives only nitrosoamine is:

${\left( {{\rm{C}}{{\rm{H}}_3}} \right)_2}{\rm{NH}}$

${\rm{C}}{{\rm{H}}_3}{\rm{N}}{{\rm{H}}_2}$

${\left( {{\rm{C}}{{\rm{H}}_3}} \right)_3}{\rm{N}}$

${\left( {{{\rm{C}}_2}{{\rm{H}}_5}} \right)_3}{\rm{N}}$

NEET UG CHEMISTRY MCQ: AMINES

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Understanding +4 | -1

The compound which on reaction with cold

\mathrm{HN}{\mathrm{O}_2}

gives only nitrosoamine is:

View answer and explanation

Correct option: B

{\left( {\mathrm{C}{\mathrm{H}_3}} \right)_2}\mathrm{NH}

Option B (

{\left( {\mathrm{C}{\mathrm{H}_3}} \right)_2}\mathrm{NH}

) is correct because secondary amines react with cold nitrous acid to form nitrosoamines.