Question 11A.CQ.9: On being slowly passed through water, PH3 forms bubbles but ......
On being slowly passed through water, PH_3 forms bubbles but NH_3 dissolves. Why?
Step-by-Step
N—H bond in ammonia is more polar than P—H bond in phosphine. Therefore, NH_3 forms hydrogen bonds with water molecules and hence dissolves in it. On the other hand, PH_3 does not dissolve and hence forms bubbles.
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