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Which process requires energy for a nonspontaneous redox reaction to occur?

June 2017 NY Regents Chemistry Exam


29 Which process requires energy for a nonspontaneous redox reaction to occur? (1) deposition (2) electrolysis

(4) chromatography

(3) alpha decay


Solution: Electrolysis requires energy for a nonspontaneous redox reaction to occur. Alpha decay is a nuclear reaction that produces an alpha particle. Deposition is conversion of gaseous substance into solid. Chromatography is a laboratory technique that separates substances based on their polarity.

Answer: 2


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