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What is the oxidation number of Ba in $BaO_2$
Option: 1
4

Option: 2
2

Option: 3
1

Option: 4
0

Answers (1)

best_answer

The oxygen atoms here form peroxide so each has O.N. of -1

$\therefore O.N.(Ba)+2\times(-1)=0$ $\therefore O.N.(Ba)=+2$

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SANGALDEEP SINGH

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