1. What is the reduction product of iodine?    a. Dehydroascorbic acid   b. Iodide   c. Iodine   d. Ascorbic acid     2. What was reduced in the determination of Vitamin C?    a. Iodine   b. Starch   c. Hydrogen peroxide   d. Ascorbic acid   3. What color indicates that reaction is already complete in the determination of Vitamin C?    a. Blue to black color or lightening of blue black color   b. Red color   c. Pink color   d. Yellow color     4. What is the oxidation product of Vitamin C?    a. Dehydroascorbic acid   b. Iodide   c. Iodine   d. Ascorbic acid   5. What is the reducing agent in the determination of Vitamin C?   a. Iodine   b. Starch   c. Hydrogen peroxide   d. Ascorbic acid

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Redox Reactions

Redox reactions are considered to be the chemical reactions involving both oxidation and reduction processes. They are actually oxidation-reduction reactions. The term redox is made from two words where “red” comes from reduction and “ox” comes from oxidation. During a redox reaction electron transfer takes place in such a way that one chemical compound gets reduced and the other one gets oxidized.