(a) Among group 18 elements, only Xe can from compounds. Explain. (b)A – InterviewSolution

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1.	(a) Among group 18 elements, only Xe can from compounds. Explain. (b)Arrange the followings in order of increasing their basicity: NH_3 , AsH_3 , SbH_3 ,PH_3
Answer» Solution :(a) This is because Xe has large size and low IONISATION energy. (B) The increasing ORDER of BASIC VALUE is `SbH_3 lt AsH_3 lt PH_3 lt NH_3` This is because charge density increases.

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