​answer this !!!!!

48. Which of the following orders of relative strength of acids is correct?

A. CH3COOH > HCN > H2O > C2H5OH
B. CH3COOH < HCN < H2O < C2H5OH
C. CH3COOH > HCN < H2O < C2H5OH
D. CH3COOH < HCN < H2O > C2H5OH​

Dear student,
The answer is (a) 
This can be verified on the basis of stability of conjugate base of the acids.
Regards

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