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

$(a)\;1\qquad(b)\;1.5\qquad(c)\;2\qquad(d)\;3$

Can you answer this question?

$KClO_3\rightarrow KCl+\large\frac{3}{2}$$O_2 2Al+\large\frac{3}{2}$$O_2\rightarrow Al_2O_3$
Hence (a) is the correct answer.
answered Oct 28, 2013