Match the items of Columns I and II and mark the correct option.

Code :



1. Partial hydrolysis of XeF6 does not change oxidation state of central atom


XeF6 +2H2O XeO3 + 6HF


IN THIS REACTION OXIDATION STATE REMAINS SAME.


2. He is used in modern diving apparatus.


3. Ar is used to provide inert atmosphere for filling electrical bulbs


4. In XeF4 central atom is in sp3d2hybridisation


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