Write the conjugate acids for the Bronsted bases :`NH_(2)^(-),NH_(3) and HCOO^(-)`

Options

A. `NH_2^-, NH_4^+ and HCOOH`
B. `NH_3, NH_4^+ and HCOOH`
C. `N^(3-), NH_4^(2-) and HCOOH`
D. `NH_3, NH_2^(-) and HCOOH`

Answer

B