Skip to content

Course home

Sign up

Transition elements

EasyMediumHard
1234567891011121314151617181920212223242526272829
Question 18

Which of the following gaseous transition metal ions contain(s) exactly four unpaired electrons in its ground state?

  1. Fe2+\text{Fe}^{2+}Fe2+
  2. Cr2+\text{Cr}^{2+}Cr2+
  3. Co3+\text{Co}^{3+}Co3+
A

1, 2 and 3

B

Only 1 and 2

C

Only 1 and 3

D

Only 2 and 3

Markscheme

Transition elements Questions

  1. A Level
  2. /Chemistry
  3. /Transition elements

48 exam-style questions on OCR A A Level Chemistry Transition elements. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank