Bond angle in NH3 is more than in H2O. J...

Bond angle in `NH_3` is more than in `H_2O`. Justify.

Answer

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In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : Bond angle of H_2S is smaller than H_2O in gas phase. Reason : Electronegativity of the central atom increases, bond angle decreases.

If both (A) and (R) are correct and (R) is the correct explanation of (A).

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

If (A) is correct, but (R) is incorrect.

If both (A) and (R) are incorrect.

Assertion : H-S-H bond angle in H_2S is closer to 90^@ but: H-O-H bond angle in H_2O is 104.5^@ . Reason : lp-lp repulsion is stronger in H_2S than in H_2O .

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion

If Assertion is correct , but Reason is incorrect

If both Assertion and Reason are incorrect

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : H-S-H bond angle in H_2S is closer to 90^@ but H-O-H bond angle in H_2O is 104.5^@ . Reason : lp-lp repulsion is stronger in H_2S than in H_2O .