Question

Which of the following compounds does/do not contain any atom
with zero oxidation state?
O C₃02
O Br₂Og
Na2S406
Both (2) and (3)​

Answer 1

Oxidation number of carbon in C6H12O6=62×6−12=0

Oxidation number of carbon in HCOOH=12×2−2=+2

Oxidation number of carbon in HCHO=12×1−2=0

Oxidation number of carbon in CH4=12×0−4=−4