MHT CET Chemistry question
Polyethylene can be produced from calcium carbide according to the following sequence of reactions; \mathrm{CaC_2 + H_2O \longrightarrow CaO + HC{\equiv}CH} n\mathrm{HC{\equiv}CH} + nH_2 \longrightarrow \mathrm{(CH_2{-}CH_2)}_n The mass of polyethylene which can be produced from 20.0 kg of is:
Answer: (C)
Solution
20.0 kg CaC₂ (M = 64) is 312.5 mol, giving 312.5 mol C₂H₂ and 312.5 mol of CH₂–CH₂ units (28 g each) =
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