Question

Which of the following are Oxidation-reduction reactions ?
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a) 2Mg + 02 → 2MgO
(b) MnO2, + 4HCI → MnCl2 + 2H2O + Cl2
(c) 2Na + Cl2 → 2NaCl
(d)
2NaBr + H202 + 2NaOH + Br2
Answer Options :
(1) Only (a). (d) (2) Only (b), (c) (3) Only (a), (b)
14) All of the above​

Answer 1

Answer:

second answer is right this answer is right

Answer 2

Explanation:

Because, all the reactions are both reduced and oxidized so alls are oxidation-reduction reaction. Make me brailist