Question

53.
The number of litres of air required to burn 8 litres
of C,2H,2 is approximately
(1) 40
(2) 60
(3) 80
(4) 100​

Answer 1

Answer:

1)40 L

Explanation:

The combustion of $C_{2}H_{2}$ is as follows:

$\bold{2}C_{2}H_{2}+\bold{5}O_{2}\rightarrow \bold{4}CO_{2}+\bold{2}H_{2}O$

Amount of $C_{2}H_{2}$=8 L

Amount of $O_{2}$ required = {5×8} L = 40 L