Duration: 3:23

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(1) If both Assertion (A) and Reason (R) are True and the Reason (R) is a correct explanation of the Assertion (A)
(2) If both Assertion (A) and Reason (R) are True but Reason \( (\mathrm{R}) \) is not a correct explanation of the Assertion (A)
(3) It Assertion (A) is True but the Reason (R) is False
(4) If Assertion (A) is False but the Reason (R) is True Assertion (A): \( \mathrm{SiF}_{6}^{-2} \) is known but \( \mathrm{SiCl}_{6}^{-2} \) is not. Reason (R): Size of fluorine is small and its lone pair of electrons interacts with d-orbitals of Si strongly.
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