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  4. How many of the following are mixed oxides? Pb 3 O 4, KO 2, H 2 O 2, Al 2 O 3, Fe 3 O 4, N 2 O , Mn 3 O 4

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Q. How many of the following are mixed oxides?
$Pb _{3} O _{4}, KO _{2}, H _{2} O _{2}, Al _{2} O _{3}, Fe _{3} O _{4}, N _{2} O , Mn _{3} O _{4}$

The p-Block Elements - Part2

Solution:

Mixed oxides are formed from two simple oxides.
$Pb _{3} O _{4}\left(2 PbO + PbO _{2}\right)$
$Fe _{3} O _{4}\left( FeO + Fe _{2} O _{3}\right)$
$Mn _{3} O _{4}\left( MnO _{2}+2 MnO \right)$