Which of the following is an unbalanced equation? * a) 2KClO3 → 2KCl+3O2 b) Mg+2AgNO3 → Mg (NO3)2+2Ag c) 2H2+O2 → 2H2O d) Fe+302 → 2Fe2O3
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Answer:
b) Mg+2AgNO3 → Mg (NO3)2+2Ag
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Answer:
Which of the following is an unbalanced equation? d) Fe+302 → 2Fe2O3
Explanation:
Because the molecules of the reactant in the left side should always be equal to the product on the right side, if this condition is satisfied then only we can say that the given reaction is balanced.
In this reaction, on the left side there is only one atom of Fe but on the right side, there are two atoms of Fe. So it makes the reaction unbalanced.
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