Carbon is present in highest oxidation number in

Carbon is present in highest oxidation number in
  1. $\mathrm{CO}_{3}^{2-}$
  2. $\cdot \mathrm{CaC}_{2}$
  3. $\mathrm{CO}$
  4. $\mathrm{C}_{2} \mathrm{O}_{4}^{2-}$

Solution

Here, highest oxidation number $=+4$ in $\mathrm{CO}_{3}^{2-}$.

Asked in: MHT CET 2020 (20 Oct Shift 1)

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