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TGS C3 Atom Economy - Practice Questions JBI

Last updated over 5 years ago

4 Nsɛmmisa

1

2

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2.

A chemical company is setting up a plant to manufacture the compound called Chloroethane, C2H5Cl. Their chemist can make it in two ways, either from ethene (reaction 1) or ethanol (reaction 2_
Reaction 1: C₂H₄ + HCL ---> C₂H₅Cl
Reaction 2: C₂H₅OH+ HCL ---> C₂H₅Cl + H₂O
Calculate the percentage atom economy of reaction 2 (2 marks)

2

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3.

Many factors have to be considered before deciding which route to take to make chloroethane. However, on the basis of atom economy, explain which process is preferable (2 marks)

1

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4.

What other factors might need to be considered?

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1.

Why is an atom economy closer to 100% better in chemical manufacturing? select as many as apply.

aesthetics

environmentally friendly

sustainability

rate of reaction

profits

yield

position of equilibrium

noise pollution