1.

How many of the following compounds have `sp^(3)` hybridisation (i) `SO_(4)^(2-)` (ii) `SO_(5)^(2-)` (iii) `PO_(4)^(3-)` (iv) `PO_(5)^(3-)` (v) `I_(3)^(Theta)` (iv) `CO_(3)^(2-)` (vii) `CO_(4)^(2-) `.

Answer» Correct Answer - 4
The acids, peracids and their ions have same hybridisation of central atom
Thus `SO_(4)^(2-), SO_(5)^(2-), PO_(4)^(3-), PO_(5)^(3-)` all have same `sp^(3)` hybridisation
(v) `I_(3)^(Theta)` have `sp^(3)` d hybridisation
(vi) `CO_(3)^(2-)` and (vii) have `sp^(2-)` hybridisation .


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