Which one of the following group-15 hydride is the strongest reducing agent?

Question

Canvas Classes · Accepted Answer

Reducing power of Group 15 hydrides increases down the group:

The E–H bond strength decreases down the group (larger atomic size, weaker bonds). Weaker bonds are more easily broken, making the hydride a stronger reducing agent.

has the weakest Bi–H bonds → strongest reducing agent.

Answer: Option (2) —

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