GRE Subject Test: Chemistry : Oxidation-Reduction Reaction

Study concepts, example questions & explanations for GRE Subject Test: Chemistry

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Example Questions

Example Question #41 : Organic Chemistry

Which substance is used as a reducing agent?

Possible Answers:

Correct answer:

Explanation:

A reducing agent is a substance that readily donates an electron to another substance. They consist primarily of elements with low electronegativities such as hydrogen. Therefore, the answer is  (sodium borohydride) which consists primarily of hydrogen atoms.

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