1.

Statement-1. The boiling point of NH_(3)lies between that of SbH_(3) and BiH_(3) . Statement -2. PH_(3) has much lower boiling than NH_(3) but it increases from PH_(3)toAsH_(3) to SbH_(3) to BiH_(3) due to increase in van dar Waals forces

Answer»

Statement-1 is Ture , Statement-2 is Ture , Statement-2 is a correct explanation for Statement-1.
Statement-1 is Ture , Statement-2 is Ture , Statement-2 is nota correct explanation for Statement-1.
Statement-1 is TRUE , Statement-2 isFalse .
Statement-1 is False, Statement-2 is True.

Solution :Correct STATENT -1 .BOILING point of `NH_(3)` is lessltbgt than that of `BiH_(3)` as well as `SbH_(3)`


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