The number of litres of air required to burn B litres of C₂H₂ is approximately
A) 40
B) 60
C) 80
D) 100

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Question

The number of litres of air required to burn B litres of
C2H2 is approximately
A) 40
B) 60
C) 80
D) 100

Geetha · Accepted Answer

The balanced equation is2 C2H2 + 5 O2 → 4 CO2 + 2 H2O2 litres of C2H2 react with 5 litres of O2 8 litres of C2H2 react with = 52 × 8 = 20 L of O2O2 is 20% by volume of air
  Volume of air required = 20×10020 = 100 L

The number of litres of air required to burn B litres of C2H2 is approximately A) 40 B) 60 C) 80 D) 100

The number of litres of air required to burn B litres of C₂H₂ is approximately
A) 40
B) 60
C) 80
D) 100