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Which of the following is the weakest reducing agent in group 15?(A) NH3(B) PH3(C) A8H3(D) BiH3 |
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Answer» 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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