Q.

One mole of potassium chlorate is thermally decomposed and excess of aluminium is burnt in the gaseous product. How many moles of aluminium oxide are formed?

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a

1

b

2

c

1.5

d

3

answer is A.

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Detailed Solution

KClO3⟶KCl+32O22Al+32O2⟶Al2O3KClO3+2Al⟶KCl+Al2O3It is clear from the above reaction that I mole of KClO3 gives I mole of Al2O3.
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