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Why is H2S more acidic than water ?...

Why is `H_2S` more acidic than water ?

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Bond dissociation energy of S-H bond is smaller than that of O-H bond. Hydrogen released in `H_2S` makes it acidic.
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Assertion (A) : H_2S is more acidic than H_2O . Reason (R) :H-S bond is more polar than H-O bond.

U-LIKE SERIES-THE P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
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