DP Chemistry (first assessment 2025)
Question 23M.2.SL.TZ1.15
Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.SL.TZ1.15 |
Level | SL | Paper | 2 | Time zone | TZ1 |
Command term | State | Question number | 15 | Adapted from | N/A |
15.
[Maximum mark: 2]
23M.2.SL.TZ1.15
State two principles of green (sustainable) chemistry in drug manufacturing, other than using less hazardous or toxic reactants.
[2]
Markscheme
Any two of:
energy efficiency ✓
prevention of waste/recycling ✓
atom economy/more efficient processes ✓
safer/reduced use of solvents ✓
design for degradation ✓
more sustainable sourcing of reactants/feedstock ✓
Accept specific examples.
