Assertion: All F−S−F angle in SF4 are greater than 90o but less than 180o. Reason: The lone pair-bond pair repulsion is weaker than bond pair-bond pair repulsion.
If both assertion and reason are true and the reason is a correct explanation of the assertion
If both assertion and reason are true but reason is not a correct explanation of the assertion
If the assertion is true but reason is false
If both the assertion and reason are false
If the assertion is false but the reason is true
A
If both assertion and reason are true but reason is not a correct explanation of the assertion
B
If the assertion is true but reason is false
C
If both the assertion and reason are false
D
If both assertion and reason are true and the reason is a correct explanation of the assertion
E
If the assertion is false but the reason is true
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Solution
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SF4 has see-saw type structure in which bond angles are different between different S−F atoms. It has non-planar structure. According to VSEPR theory lp−lp repulsion >lp−bp>bp−bp repulsion.
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