Hydrogen And Its Compounds Question 194
Question: The hydride ion $ {H^{-}} $ is a stronger base than its hydroxide ion $ O{H^{-}} $ . Which of the following reactions will occur if sodium hydride (NaH) is dissolved in water
[CBSE PMT 1997]
Options:
A) $ {H^{-}}(aq)+H_2O\to H_3{O^{-}}(aq) $
B) $ {H^{-}}(aq)+H_2O(l)\to O{H^{-}}(aq)+H_2(g) $
C) $ {H^{-}}(aq)+H_2O(l)\to \text{No reaction} $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \underset{\text{base 1}}{\mathop{{H^{-}}(aq)}}+\underset{\text{acid 2}}{\mathop{H_2O(l)}}\to \underset{\text{base 2}}{\mathop{O{H^{-}}(aq)}}+\underset{\text{acid 1}}{\mathop{H_2(g)}} $
BETA
