Which of the following are Oxidation-reduction reactions? a. 2Mg + O 2 → 2MgO b. MnO 2 + 4HCl → MnCl 2 + 2H 2 O + Cl 2 c. 2Na + Cl 2 → 2NaCl d. 2NaBr + H 2 O → 2NaOh + Br 2

Correct Answer is : All of the above

Maharashtra State PSC 2020 Solved Paper

Question : 67 of 100

Marks: +1, -0

Which of the following are Oxidation-reduction reactions?
a. 2Mg + O₂ → 2MgO
b. MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
c. 2Na + Cl₂ → 2NaCl
d. 2NaBr + H₂O → 2NaOh + Br₂

only a, d
Only b, c
Only a, b
All of the above

Validate

Go to Question:

Prev Question

Next Question