Assertion . The bond anlge of PBr_(3) is greater than that of PH_(3) but bond angle of NBr_(3) is less than that of NH_(3). Reason .Electronegativity of phosphorus atom is less thanthat of nitrogen .

Assertion . The bond anlge of PBr_(3) is greater than that of PH_(3) b

1.	Assertion . The bond anlge of PBr_(3) is greater than that of PH_(3) but bond angle of NBr_(3) is less than that of NH_(3). Reason .Electronegativity of phosphorus atom is less thanthat of nitrogen .
Answer» If both assertion and reason are correct, and reason is the correct explanation of the assertion. If both assertion and reason are correct , but reason is not the correct explanation of the assertion. If assertion is correct, but reason is incorrect . If both assertion and reason are incorrect. Solution :Correct explanation. The TRUTH of assertion is not due to DIFFERENCE in the electronegativities of N and P but due to difference in electronegativity of H and Br (in `NH_(3) and NBr_(3))` and due to reaonance in ` PBr_(3)` but no resonance in `PH_(3)`