The hydrogen ion, H-, is a stronger base than the hydroxide ion, OH- Which one of the following reactions will occur if sodium hydride (NaH) is dissolved in water ?

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H-aq + H2Ol → OH-aq + 2H2g

H-aq + H2Ol → H3O-aq

H-aq + H2Ol → OH-aq + 2H+aq + 2e

H-aq + H2Ol → No reaction

answer is A.

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Detailed Solution

H-aqbase 1 + H2Olacid 1 → OH-aqbase 2 + 2H2gacid 2 In this reaction H- acts as Bronsted base as it accepts one proton H+ from H2O and for H2.

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