Correct Lewis dot structure of CO molecule among the following is-
 

1.
2.
3.
4.

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

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

 Correct resonance structure of \(CO_{3}^{2-}\) among the following is-
 

1.		2.
3.		4.