question_answer

Which of the following has \[{{p}_{\pi }}-{{d}_{\pi }}\] bonding?

A)  \[NO_{3}^{-}\]                                   

B)  \[SO_{3}^{-2}\]

C)  \[BO_{3}^{-3}\]                     

D)  \[CO_{3}^{-2}\]

Correct Answer: B

Solution :

In 2nd period element no any d-orbital present and in sulphur d-orbital present