An electron-deficient compound among the following is:

In $P{O}_4^{-3}$, formal charge on every oxygen atom and P-O bond order respectively are:
1.  -0.75 and 1.25
2.  -0.5 and 2
3.  1 and 1.5
4.  -0.75 and 2

Correct Lewis structure of the nitrite ion, \(NO_{2}^{-}\) among the following is:

1.		2.
3.		4.	None of the above