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TGS C3 Atom Economy - Practice Questions JBI

Last updated almost 5 years ago

4 questions

1

2

Question 2

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

1

Question 1

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

Question 3

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)

Question 4

4.

What other factors might need to be considered?