In which of the following arrangements,the or | vedclass

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(B) For option $A$: The acidic strength of hydrohalic acids increases down the group due to the decrease in bond dissociation enthalpy. Thus,$HF < HCl

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$H_{2}O < H_{2}S < H_{2}Se < H_{2}Te$ : Increasing order of $pK_{a}$ values

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(B) For option $A$: The acidic strength of hydrohalic acids increases down the group due to the decrease in bond dissociation enthalpy. Thus,$HF For option $B$: The acidic strength of hydrides of group $16$ increases down the group $(H_{2}O H_{2}S > H_{2}Se > H_{2}Te$. Thus,the given order is incorrect.For option $C$: The acidic character of hydrides of group $15$ increases down the group due to the increase in bond length and decrease in bond dissociation energy. Thus,$NH_{3} For option $D$: The oxidising power of group $14$ oxides increases down the group due to the inert pair effect,making the $+2$ oxidation state more stable than the $+4$ state for heavier elements. Thus,$CO_{2} < SiO_{2} < SnO_{2} < PbO_{2}$ is correct.

In which of the following arrangements,the order is $NOT$ according to the property indicated against it?

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