Question

1 mol of KClO3 is thermally decomposed and excess of aluminium is burnt in the gaseous product. How many moles of Al2O3 are formed

Answer 1

Answer:

The reaction for thermal decomposition of KClO

3

is-

KClO

3

→KCl+

2

3

O

2

and for reaction with Al:

2Al+

2

3

O

2

→Al

2

O

3

∴ 1 mole of KClO

3

will produce 1 mole of Al

2

O

3

.