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Assertion : All $\mathrm{F}-\mathrm{S}-\mathrm{F}$ angle in $\mathrm{SF}_4$ is greater than $90^{\circ}$ but less than $180^{\circ}$.
Reason : The lone pair-bond pair repulsion is weaker than bond pair-bond pair repulsion.
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Reason : The lone pair-bond pair repulsion is weaker than bond pair-bond pair repulsion.
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Verified Answer
The correct answer is:
If assertion is true but reason is false
Due to greater lone pair - bond pair repulsions than bond pair - bond pair repulsions, the $F-S-F$ bond angle decreases from $180^{\circ}$.
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