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  • Which one of the following correctly represents the order of stability of oxides, <img alt="( X= halogen)" src="htt

Which one of the following correctly represents the order of stability of oxides, \mathrm{X}_{2} \mathrm{O}; ( X= halogen) ?
Option: 1 \mathrm{Cl}>\mathrm{I}>\mathrm{Br}
Option: 2 \mathrm{Br}>\mathrm{Cl}>\mathrm{I}
Option: 3 \mathrm{I}>\mathrm{Cl}>\mathrm{Br}
Option: 4 \mathrm{Br}>\mathrm{I}>\mathrm{Cl}

Answers (1)

best_answer

As we have learnt,

The stability of oxides of halogens increases down the group. However the oxides of Br are less stable than that of chlorine.

This is called as middle row anomaly

Therefore Stability of oxides \mathrm{:I> Cl> Br}

Hence the correct answer is option (3)

Posted by

sudhir.kumar

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