Equilibrium Question 268

Question: The hydride ion $ {H^{-}} $ is stronger base than its hydroxide ion $ O{H^{-}}. $ Which of the following reaction will occur if sodium hydride $ (NaH) $ is dissolved in water [CBSE PMT 1997]

Options:

A) $ {H^{-}}(aq)+H_2O,\to ,H_2O $

B) $ {H^{-}},(aq)+H_2O,(l),\to ,O{H^{-}}+H_2 $

C) $ {H^{-}},+H_2O,\to $ No reaction

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

$ {H^{-}} _{\text{(aq}\text{.)}}+H_2{O _{(l)}}\to O{H^{-}}+H_2 $ .



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