Acidity of diprotic acids in aqueous solutions increases in the order (a) H2S < H2Se < H2Te
Acidity of diprotic acids in aqueous solutions increases in the order
(a) H2S < H2Se < H2Te
(b) H2Se < H2S < H2Te
(c) H2Te < H2S < H2Se
(d) H2Se < H2Te < H2S
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Correct option (a) H2S < H2Se < H2Te
Explanation :
As the atomic size increases down the group, the bond length increases and the bond strength decreases and the cleavage of E-H bond becomes easier thus, more r.ill be the acidity. Thus, the correct order is
H2S < H2Se < H2Te.
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