1.

Complete the following reactions : (i) C_(2)H_(4)+O_(2)rarr (ii) 4Al+3O_(2)

Answer»

Solution :(i) `C_(2)H_(4)` undergoes combustion to FORM `CO_(2)` and `H_(2)O`.
`C_(2)H_(4)+3O_(2)overset("heat")rarr 2CO_(2)+2H_(2)O`
(ii) Al combines with `O_(2)` to form ALUMINA.
`4Al+3O_(2)overset("heat")rarr 2Al_(2)O_(3)`


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