In the following reaction sequence ,
` "Ethyl amine " overset(HNO_(2))to A overset(PCl_(5))to B overset(NBH_(3))toC ` the compound 'C' is

Options

A. `CH_(3)NH_(2)`
B. `C_(2)H_(5)NH_(2)`
C. `CH_(3)=NH`
D. `(CH_(3))_(2)NH`

Answer

B

Explanation

`underset("ethyl amine")(C_(2)H_(5)NH_(2))overset(HNO_(2))to underset("ethanol (A)")(C_(2)H_(5)OH) underset(-POCl_(3),-HCl)overset(PCl_(5))to underset("ethyl chloride (B)")(C_(2)H_(5)Cl) underset(-HCl)overset(NH_(3))tounderset("ethyl amine (C)")(C_(2)H_(5)NH_(2))`