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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 a true 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 assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
c
`SiF_(4)` has `sp^(3)` hybridization and shape of regular tetrarhedral where the bond angle of `F - S - F `are found `109.5^(@)` which is greater than `90^(@)` but less than `180^(@)` .Repulsion sequence is `Lp - Lp gt Lp gt Bp gt Bp - Bp ` so assertion is true but the reason is true.
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