DP Chemistry (last assessment 2024)
Question 19M.3.sl.TZ1.12a(i)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.sl.TZ1.12a(i) |
| Level | sl | Paper | 3 | Time zone | TZ1 |
| Command term | Write | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 1]
19M.3.sl.TZ1.12a(i)
Uranium-235, 235U, is bombarded with a neutron causing a fission reaction.
Two products of the fission of 235U are 144Ba and 89Kr.
(a(i))
Write the nuclear equation for this fission reaction.
[1]
Markscheme
235U + 1n → 144Ba + 89Kr + 3 1n [✔]
Examiners report
Only about a third of the candidates could write the nuclear equation for the requested fission reaction.
