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How much oxygen is required for complete...

How much oxygen is required for complete combustion of 560 g of ethene?

A

2.8 kg

B

6.4 kg

C

9.6 kg

D

96 kg

Text Solution

Verified by Experts

The correct Answer is:
C
`underset(=28g)underset(12xx2+4xx1)(C_(2)H_(4))+underset(=96 g)underset(16xx6)(3O_(2))to2CO_(2)+2H_(2)O`
`:'` For the combustion of `28xx10^(-3)`kg of ethylene oxygen required `=96xx10^(-3)` kg
`:.` For the combustion of 2.8 kg of ethylene oxygen required
`=(96xx10^(-3)xx2.8)/(28xx10^(-3))=9.6 kg`
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