The formula of aluminum oxide is Al₂O₃. If aluminium forms its chloride, what will be the formula of that compound?

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Solution

In Al₂O₃, the valency of aluminum is 3 and oxygen is 2.

The valency of chlorine is 1.

So, for a chloride of aluminium:

Symbol

Al

Cl

Valency

3

1

On interchanging the valencies of each element and writing them down as subscripts, we get the formula – AlCl₃

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The formula of aluminum oxide is Al2O3. If aluminium forms its chloride, what will be the formula of that compound?

In Al2O3, the valency of aluminum is 3 and oxygen is 2. The valency of chlorine is 1. So, for a chloride of aluminium: Symbol Al Cl Valency 3 1 On interchanging the valencies of each element and writing them down as subscripts, we get the formula – AlCl3

The formula of aluminum oxide is Al₂O₃. If aluminium forms its chloride, what will be the formula of that compound?

In Al₂O₃, the valency of aluminum is 3 and oxygen is 2.

The valency of chlorine is 1.

So, for a chloride of aluminium:

Symbol

Al

Cl

Valency

3

1

On interchanging the valencies of each element and writing them down as subscripts, we get the formula – AlCl₃