In which of the following arrangements is the | vedclass

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(B) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation energy decreases: $H_2O < H_2S < H_2Se <

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$H_2O < H_2S < H_2Se < H_2Te$ : increasing $pK_a$ values

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(B) The acidic strength of hydrides of group $16$ elements increases down the group as the bond dissociation energy decreases: $H_2O Since $pK_a = -\log(K_a)$,a higher acidic strength corresponds to a lower $pK_a$ value.Therefore,the correct order for $pK_a$ values should be $H_2O > H_2S > H_2Se > H_2Te$.Option $B$ shows an increasing order of $pK_a$ values,which is incorrect.

In which of the following arrangements is the given sequence not strictly according to the property indicated against it?

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