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Assertion : All F - S - F angle in SF(4)...

Assertion : All F - S - F angle in `SF_(4)` are greater than `90^(@)` but less than `180^(@)`.
Reason :The lone pair -bond pair repulsion is weaker than bond pair -bond pair repulsion

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
`SiF_4` have `sp^3` hybridization & shape of regular tetrahedral where the bond angle of `F - Si - F`are found o `109.5^@` which is greater than `90^@` but less than `180^@`.

Repulsion sequence are `lp - lp gt lp - bp gt bp - bp` so assertion are true but the reason is false.
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