The oxidation state of carbon in HCOOH is

ABUCHI123

10 years ago

HCOOH

1+*+-2+-2+1=0

2+*+(-4)=0

*=-4 +2

*=+2

Attama123

4 months ago

how is -4+2 will be+2

Joseph220

3 months ago

HCOOH
1+x+(-2)+(-2)+1=0
2+x+(-4)=0
Note +*+=+
-*-=+
+*-=-
-*+=-
in this case it's +*-
2+x-4=0
collect like terms
it's either we have x=4-2=2 or x=-2+4=2