Oxidation-Reduction Reactions

AP Chemistry· difficulty 2/5

Oxidation is _______; reduction is _______.

A
$gain of electrons; loss of electrons$
B
$loss of electrons; gain of electrons$
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C
$addition of oxygen; loss of hydrogen$
D
$neither$

Explanation

"OIL RIG" mnemonic. Oxidation Is Loss; Reduction Is Gain (of electrons). Oxidation state increases when oxidized.

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