Question on: JAMB Chemistry - 2008

The oxidation state of carbon in HCOOH is

A
-1
B
+2
C
+3
D
zero
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Correct Option: B

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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