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Question
Chemistry
Which of the following statements is correct about the given reaction 4Fe(s) +3O2(g) → 2Fe2O3(g)
Q. Which of the following statements is correct about the given reaction
4
F
e
(
s
)
+
3
O
2
(
g
)
→
2
F
e
2
O
3
(
g
)
2404
196
Some Basic Concepts of Chemistry
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A
Total mass of iron and oxygen in reactants = total mass of iron and oxygen in product; therefore, it follows law of conservation of mass
67%
B
Total mass of reactants = total mass of product; therefore, law of multiple proportions is followe
15%
C
Amount of
F
e
2
O
3
can be increased by taking any one of the reactants (iron or oxygen) in excess
11%
D
Amount of
F
e
2
O
3
produced will decrease if the amount of any one of the reactants (iron or oxygen) is taken in excess
7%
Solution:
According to law of conservation of mass, total mass of elements in reactants is equal to the total mass of elements in products