The hydride ion, H− is a stronger base than its hydroxide ion OH−. Which of the following reactions will occur, if sodium hydride (NaH) is dissolved in water?
H−(aq)+H2O→H2O
H−(aq)+H2O(l)→OH−+H2
H−+H2O→Noreaction
Noneoftheabove
A
H−+H2O→Noreaction
B
Noneoftheabove
C
H−(aq)+H2O→H2O
D
H−(aq)+H2O(l)→OH−+H2
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Solution
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Sodium hydride (NaH) react with water to form hydrogen gas and the sodium hydroxide (NaOH). NaH+H2O→H2+NaOH i.e., Na+,H− and H+,OH− give rise to H2 and NaOH. So, it is similar to option B.
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