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KCET 2021 Chemistry Solved Paper

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Question : 5

Total: 60

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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