DP Chemistry (last assessment 2024)

Test builder »

Question 18N.1.sl.TZ0.23

Select a Test
Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.sl.TZ0.23
Level sl Paper 1 Time zone TZ0
Command term Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
18N.1.sl.TZ0.23

Which represents a reduction?

 

A.   SO3 to SO42−

B.   Mn2O3 to MnO2

C.   H2O2 to OH−

D.   CrO42− to Cr2O72−

[1]

Markscheme

C

Syllabus sections