The acidity of diprotic acids in aqueous solutions increases in the or

1.	The acidity of diprotic acids in aqueous solutions increases in the order
Answer» `H_(2)S lt H_(2)Se lt H_(2)Te ` `H_(2)Se lt H_(2)S lt H_(2)Te` `H_(2)Te lt H_(2)S lt H_(2)Se` `H_(2)Se lt H_(2)Te lt H_(2)S` Solution :As the size of the element (X) INCREASES, the length of H-X bond increases and hence its bond STRENGTH decreases. As a result, it becomes easier to break the H-X bond to liberate `H^(+)` IONS and hence the acidity increases in the order :`H_(2)S lt H_(2)Se lt H_(2)Te, ` i.e., OPTION (a) is correct.

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