1.

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

Answer»

`1`
`2`
`1.5`
`3`

Solution :`2KClO_(3)to2KCl+3O_(2)`
`4Al+3O_(2)to2Al_(2)O_(3)`
2 moles of `KClO_(3)` gives 2 moles of `Al_(2)O_(3)`
`:.` 1 MOL of `KClO_(3)` gives 1 mol of `Al_(2)O_(3)`


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