Redox Reactions Quiz Questions and Answers PDF - 41

MCQ 201: In a reaction between CuSO_4(s) and Zn_(s),

1. copper gains electrons
2. copper is being reduced
3. copper experiences a decrease in oxidation state
4. all of above

MCQ 202: Molar mass of potassium hydrogen carbonate KHCO₃ is

1. 90.15 g/mol
2. 100.115 g/mol
3. 111.127 g/mol
4. 119.21 g/mol

MCQ 203: In deuterium, the number of neutrons is

1. 3
2. 2
3. 1
4. 0

MCQ 204: Due to hydrogen bonds in water, water has

1. high van der Waals forces
2. high boiling points
3. many valence electrons
4. none of above

MCQ 205: Hydrogen acts as a reducing agent, by

1. taking oxygen only
2. giving electrons only
3. taking hydrogen
4. taking oxygen and giving electrons