Chemistry

Chemistry

Problem

The oxidation number of carbon in CH2O\text{CH}_2\text{O} is: a. 2 b. +2 c. 0 d. +4
Intuitive explanation

Oxidation numbers are a bookkeeping tool for tracking electron transfer in compounds. The key is to assign oxidation states to each atom using the rules in order (hydrogen is usually +1, oxygen is usually −2), then solve for the unknown. Since the atoms in a neutral molecule must sum to zero, you can set up a simple equation to find carbon's oxidation state.

Intuitive explanation

Oxidation numbers are a bookkeeping tool for tracking electron transfer in compounds. The key is to assign oxidation states to each atom using the rules in order (hydrogen is usually +1, oxygen is usually −2), then solve for the unknown. Since the atoms in a neutral molecule must sum to zero, you can set up a simple equation to find carbon's oxidation state.

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