DP Chemistry (last assessment 2024)
Question 19M.1.sl.TZ1.2
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.sl.TZ1.2 |
| Level | sl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 2 | Adapted from | N/A |
2.
[Maximum mark: 1]
19M.1.sl.TZ1.2
What is the sum of the coefficients when the equation is balanced with the smallest whole numbers?
__BaCl2 (aq) + __Fe2(SO4)3 (aq) → __FeCl3 (aq) + __BaSO4 (s)
A. 4
B. 6
C. 8
D. 9
[1]
Markscheme
D
Examiners report
This question was well answered while one teacher commented that using 1 as a coefficient in a “sum the coefficients” question seemed tricky.