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  4. Ka for cyano acetic acid is 4× 10- 4 . Then the degree of hydrolysis of 0.04M sodium cyano acetate solution will be :-

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Q. $K_{a}$ for cyano acetic acid is $4\times 10^{- 4}$ . Then the degree of hydrolysis of $0.04M$ sodium cyano acetate solution will be :-

NTA AbhyasNTA Abhyas 2020

Solution:

$h=\sqrt{\frac{K_{w}}{K_{a} C}}=\sqrt{\frac{10^{- 14}}{4 \times 10^{- 4} \times 4 \times 10^{- 2}}}$