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Choose the correct statements about the hydrides of group 15 elements. A. The stability of the hydrides decreases in the order NH 3 > PH 3 > AsH 3 > SbH 3 > BiH 3 B. The reducing ability of the hydride increases in the order NH 3 < PH 3 < AsH 3 < SbH 3 < BiH 3 C. Among the hydrides, NH 3 is strong reducing agent while BiH 3 is mild reducing agent. D. The basicity of the hydrides increases in the order NH 3 < PH 3 < AsH 3 < SbH 3 < BiH 3 Choose the most appropriate from the option given below

1. B and C only
2. A and B only
3. A and D only
4. C and D only

Correct answer: A and B only

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