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Per NCERT §7.3 rules, the oxidation number of sulphur in H₂SO₄ is which?
A+2
B−2
C+4
D+6
Answer & Solution
Correct answer: D. +6
NCERT §7.3: 2(+1) + S + 4(−2) = 0 ⇒ S = +6.
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