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Polyethene can be prepard by CaC(2) by t...

Polyethene can be prepard by `CaC_(2)` by the following sequence of reactions .
`CaC_(2)` + `H_(2)O to CaO + C_(2)H_(2)`
`C_(2)H_(2) + H_(2) to C_(2)H_(4)`
`nC_(2)H_(4)to (C_(2)H_(4))_(n)`
`" (Polythene)"`
The mass in kg of polythene that can be prepared by 20 kg `CaC_(2)` .

A

4.1 kg

B

8.75 kg

C

3.78 kg

D

10 kg

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The correct Answer is:
B
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