P-Block Elements Ques 252

Question: A solution of ammonia in water contains

[CBSE PMT 1991]

Options:

A) $ {{H}^{+}} $

B) $ O{{H}^{-}} $

C) Only $ NH_4^{+} $

D) $ O{{H}^{-}}, $ $ NH_4NO_2 $ and $ NH_4OH $ molecules

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Answer:

Correct Answer: D

Solution:

$ NH_3 $ when dissolved in water forms $ NH_3+H_2O\to NH_4^{+}+O{{H}^{-}} $ ⇌ $ NH_4OH $



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