Answer
It depends on type of bond, number of outer shell electron, and geometry structure of compound
Work Step by Step
(i) is triangular compound with -2 major charge
(ii) is square planar
(iii) is pyramidal structure
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.