MCQ
The oxidation number of Phosphorus in Mg2P2O7 is:
- A+3
- B2
- C+5
- D-3
✓
Answer
- +5
Explanation:
Mg has o.n. = +2 and O has o.n. = -2
( 2 × 2 ) + 2x + ( 7 × -2) = 0
4 + 2x - 14 = 0
2x = 10
x = +5 ( o.n. of P)
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