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  • Which one of the following compounds is a peroxide?Option: 1 <img alt="\mathrm{RbO}_{2}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmath

Which one of the following compounds is a peroxide?

Option: 1

\mathrm{RbO}_{2}


Option: 2

\mathrm{BaO}_{2}


Option: 3

\mathrm{MnO}_{2}


Option: 4

\mathrm{NO}_{2}


Answers (1)

best_answer

Structure of peroxide ion \mathrm{O}_{2}^{2-} is (-\mathrm{O}-\mathrm{O}-)^{2-}.

Only in Barium peroxide \mathrm{BaO}_{2}, the peroxide ion is present. \mathrm{RbO}_{2}  is superoxide ion \left(\mathrm{O}_{2}{ }^{-}\right) whereas \mathrm{MnO}_{2} and \mathrm{NO}_{2} are normal oxides.

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