DP Chemistry (last assessment 2024)

Test builder »

Question 19N.3.sl.TZ0.c

Select a Test
Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.3.sl.TZ0.c
Level sl Paper 3 Time zone TZ0
Command term Explain Question number c Adapted from N/A
c.
[Maximum mark: 2]
19N.3.sl.TZ0.c

Catalysts are commonly used in industry.

Nanotubes are used to support the active material in nanocatalysts.

Explain why oxygen cannot be used for the chemical vapour deposition (CVD) preparation of carbon nanotubes.

[2]

Markscheme

high temperature used ✔

oxygen/O2 reacts with carbon/C
OR
carbon dioxide/CO2 can form ✔

Syllabus sections