Which of the following is the weakest reducing agent in group 15?
Which of the following is the weakest reducing agent in group 15?
(A) NH3
(B) PH3
(C) A8H3
(D) BiH3
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Option : (A) NH3
In group 15th element Hydrides have reducing character. The reducing character of Hydrides increases from Top to bottom. because the Z-H bond strength (Z = N,P, As, Bi) decreases down the group because of increase in the size of central atom.
Hence,
NH3 is weak reducing agent.
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