\K_{a} values for acids {\H}_{2} {\SO}_{3}, {\HNO}_{2}, {\CH}_{3} {\COOH} and HCN are respectively 13 \\times10^{-2}, 4 \\times10^{-4}, 1.8 \\times10^{-5} and 4 \\times10^{-10}, which of the above acids produces stronger conjugate base in aqueous solution?

KCET 2021 Chemistry Solved Paper

Question : 5 of 60

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Ka values for acids H2SO3,HNO2,CH3‌COOH and HCN are respectively 13×10−2, 4×10−4,1.8×10−5 and 4×10−10, which of the above acids produces stronger conjugate base in aqueous solution?

H2SO3
HNO2
CH3‌COOH
HCN

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