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In the following change, 3Fe + 4H(2)O ra...

In the following change, `3Fe + 4H_(2)O rarr Fe_(3)O_4 + 4H_2` If the atomic mass of iron is 56, then its equivalent mass will be :

A

42

B

21

C

63

D

84

Text Solution

Verified by Experts

The correct Answer is:
B
`E=M/3=(56)/3=overset(0)(Fe)rarroverset(8/3)(Fe_3)O_4`
`E=M/(8/3)=(56)/(8/3)=21`
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