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1.

Select correct statement(s) is /are :

Answer»

In `AsH_(3)` molecule lone pair at central atom is PRESENT in almost pure s-orbital
Number of `p pi -d pi` BOND in `SO_(3) and SO_(2)` are same
`NF_(3)` is better Lewis base than `NCl_(3)`
Stable oxidation state of Lead is `+2`

Solution :Correct statement is :
(b) Number of `p pi- d pi ` bond(s) in `SO_(3)` is TWO and in `SO_(2)` is one
(c ) Lewis BASIC order : `NCl_(3) gt NF_(3)`


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