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84 gm of iron (Fe) is required with suff...

84 gm of iron (Fe) is required with sufficient amount of steam of produce 45.4 L, `H_(2) ` gas at S.T.P. according the following reaction, `aFe + bH_(2)O rArr c Fe_(3)O_(4) + d H_(2)`.The stoichimetric coefficients of the reaction is (At. Wt., Fe = 56, O=16, H=1):

A

4,3,1,4

B

3,4,1,4

C

1,4,2,3

D

none of these

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The correct Answer is:
B
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