The correct decreasing order of oxidation state of the underlined atom in each molecule is

1. A. P 4 O 10 > S O 3 > H 2 O
2. B. N 2 O 5 > Al 2 O 3 > H 2 S
3. C. Pb O 2 > N 2 O 3 > S O 3
4. D. P 4 O 6 > Cl 2 O 7 > Al H 3

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