The gas evolved when methylamine reacts with nitrous acid is

Options

A. `NH_(3)`
B. `N_(2)`
C. `H_(2)`
D. `C_(2)H_(6)`

Answer

B

Explanation

Chemical reaction takes place during reaction of methylamine with nitrous acid is as follows
`underset("Methylamine")(CH_(3)-NH_(2)) overset(HNO_(2))rarr CH_(3)- overset(+)(N) underset(Delta H_(2)O)(-= )NCl^(-) underset("Methanol")(CH_(3)OH) + N_(2) uarr`