In the reaction V₂O₅(s) + 5Ca(s) → 2V(s) + 5CaO(s), what is the oxidation state of Ca in CaO? - REDOX REACTIONS AND ELECTROCHEMISTRY Quiz | GKFix.in

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Question

In the reaction V₂O₅(s) + 5Ca(s) → 2V(s) + 5CaO(s), what is the oxidation state of Ca in CaO?

A. +1
B. +2
C. +3
D. +4