In which of the following reactions does reduction takes place

a

Fe2+ - e- → Fe3+

b

2O2- →O2 + 4e-

c

Cr – 2e- → Cr2+

d

2H+ + 2e- → H2

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Explanation

Correct Option
d

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Discussions (7)

chijioke7
7 years ago

Reduction is gain of electrons, the only reaction which shows that is D

vivaciousguy
7 years ago

it is reduced from +1 to 0

Hopelary
1 year ago

pls sir I don't understand. throw more light

Marymot
8 years ago

I don't understand

egbonjosh
8 years ago

ohhh....

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