Question

The reaction of compound ‘X’ with aluminium is used to join railway tracks:

1. Identify the compound ‘X’.
2. Name the reaction.
3. Write the balanced chemical equation of the reaction of compound ‘X’ with aluminium.

Answer 1

1. The compound X is Fe₂O₃.
2. Thermite reaction
3. \[\ce{Fe2O3_{(s)} + 2Al ->[Heat] Al2O3_{(s)} + 2Fe_{(l)}}\]