Question

# aFe+bO2→ cFe2O3 For the above equation to represent a balanced equation, ratio of a, b and c respectively should be?2:3:44:3:24:3:34:1:3

Solution

## The correct option is B 4:3:24Fe+3O2→ 2Fe2O3 By balancing the number of atoms on both sides (reactant and product) of each element (Iron and Oxygen), we get a balanced equation:4Fe+3O2→ 2Fe2O3 Which gives us ratio of a:b:c as 4:3:2.

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