The volume of oxygen required for Complete combustion of 20 ml of ethene is
A.30ml
B. 60 ml
C. 40ml
D. 50ml

Ans is 60 ml

Reaction is as follows:
C2H4 + 3O2 ---> 2CO2 + 2H2O + ENERGY

For 1 mole of C2H4 we need 3 mole of O2
there fore for 20 ml of C2H4 we need 60 ml of O2.

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Ans 60ml
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ans 60 ml


 
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