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Which of the following statements are co...

Which of the following statements are correct ?
I. `P_(4)` molecule is very reactive because of angular strain.
II. The basicity of `H_(3)PO_(3)` is 3.
III. In gas phase, all P-Cl bonds of `PCl_(5)` have same bond length.
IV. In solid state, `PCl_(5)` exists as an ionic solid, in which anion `[PCl_(6)]^(-)` has octahedral and cation `[PCl_(4)]^(+)` has tetrahedral shape.

A

I and II

B

II and IV

C

I and IV

D

I and III

Text Solution

Verified by Experts

The correct Answer is:
C
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