Question

1. What is the conjugate base for
`\mathrm{HNO}_2` ?

A.
`\mathrm{HNO}_3`
B.
`\mathrm{H}_2 \mathrm{NO}_2`
C.
`\mathrm{NO}_2{ }^(-)`
D.
`\mathrm{NO}^(-2)`

Answer 1

`\text{NO}_2^(-)`

Step-by-step explanation:

A conjugate base is formed when a proton is removed from an acid.

So, the conjugate base of
`\text{HNO}_2` is
`\text{NO}_2^(-)`.