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CHEMISTRY CH13 Chemical Bonding — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceCHEMISTRY CH13 Chemical Bonding2 Marks
Question
Identify the following reactions as oxidation or reduction
  1. Na → Na+ + e
  2. Fe3+ + 2 e- → Fe+
✓

Answer

a. It is an Oxidation reaction.

Oxidation: A chemical reaction which involves addition of oxygen or removal of hydrogen or loss of electrons is called oxidation.

b. It is a Reduction reaction.

Reduction: A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electrons is called reduction.

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