Help with Oxidation-Reduction Chemistry

Practice Questions

GRE Subject Test: Biochemistry, Cell, and Molecular Biology › Help with Oxidation-Reduction Chemistry

Questions

Consider the following reaction:

$Fe_{2}O_{3} +2Al \rightarrow Al_{2}O_{3} + 2Fe$

Which atom is oxidized in the reaction?

Reduction of a compound results in a __________ of electrons, thus rendering the compound's charge to be more __________.

Which mnemonic would be most useful for remembering what happens during an oxidation-reduction reaction?

Which of the following is not a redox reaction?

$\text{I.}\ NAD^++H^++2e^-\rightarrow NADH$

$\text{II.}\ 2C_6H_{12}O_6\rightarrow C_{12}H_{10}O_5+H_2O$

$\text{III.}\ C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O$