Al and KClO3 react together to form AI2O3 according to 2KClO3⟶2KCl+3O2 4Al+3O2⟶2AI2O3 4molesofKClO3 (50% pure) on reaction with excess of Al forms x moles of AI2O3.
A
2 mol
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B
4 mol
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C
6 mol
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D
8 mol
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Solution
The correct option is A 2 mol 2KClO3⟶2KCl+3O2 4Al+3O2⟶2Al2O3 50% 4 moles means 2 mole, so, according to balance reaction it can be seen that 2 mole of KClO3 forms 2 moles of Al2O3.