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The number of bridged oxygen atoms present in compound B formed from the following reactions is Pb(NO 3 ) 2 ⎯ ⎯ → ⎯ K 673 A + PbO + O 2 B A Dimerise ⎯ ⎯ ⎯ → ⎯

1. 0
2. 1
3. 2
4. 3

Correct answer: 0

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