Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
for 
at 
is 4.7, the pH of 0.5 M aqueous NaCN solution is:
Text Solution
Verified by ExpertsThe correct answer is:
C
for 
for conjugate acid 
for 
NaCN is made up with strong Base NaOH and weak acid HCN . [It is similar to 
]
Now salt hydrolysis of NaCN is
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