1.

Assertion : SF_6 cannot be hydrolysed but SF_4 can be. Reason : Six F atoms in SF_6 prevent the attack of H_(2)Oon sulphur atom of SFg.

Answer»

Both ASSERTION and reason are CORRECT statements, and reason is the correct explanation of the assertion.
Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
Assertion is correct, but reason is WRONG statement.
Assertion is wrong but reason is correct statement.

Solution :`SF_`6 is sterically protected. HENCE, `H_2O` cannot attack `SF_6`.


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