Answer
Reduction is defined as the addition of hydrogen atom in a compound. Removal of oxygen atom is also known as reduction. Oxidation is defined as the addition of oxygen. Removal of hydrogen atom is known as oxidation.
A) in this reaction there is addition of hydrogen atom occur. That's why this reaction is known as reduction.
B) The second reaction is showing dehydration reaction in which one molecule of water is removed. In such reaction hydrogen atom are removed. This kind of reaction is known as oxidation.
Work Step by Step
Reduction is defined as the addition of hydrogen atom in a compound. Removal of oxygen atom is also known as reduction. Oxidation is defined as the addition of oxygen. Removal of hydrogen atom is known as oxidation.
A) in this reaction there is addition of hydrogen atom occur. That's why this reaction is known as reduction.
B) The second reaction is showing dehydration reaction in which one molecule of water is removed. In such reaction hydrogen atom are removed. This kind of reaction is known as oxidation.
