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The oxidation state of carbon in HCOOH is

The oxidation state of carbon in HCOOH is
  • A.
    -1
  • B.
    +2
  • C.
    +3
  • D.
    zero
Correct Answer: Option B
Explanation

HCOOH
O.N of H + O.N of C + 2* O.N of oxygen of
H = 0
1 + X + 2X – 2 + 1 = 0
2 + X -4 = 0
X = 4 – 2 = +2

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