Molecules /ions and their magnetic properties are given below
Molecule/ion Magnetic property
(i) C6 H 6 1. Antiferromagnetic
(ii) CrO 2 2. Ferrimagnetic
(iii) MnO 3. Ferromagnetic
(iv) Fe3 O 4 4. Paramagnetic
(v) Fe 3+ 5. Diamagnetic
The correctly match pairs in the above is
a. i – 5 , ii – 3 , iii – 2 , iv -1, v – 4
b. i – 3 , ii – 5 , iii – 1 , iv -4, v –
c. i – 5 , ii – 3 , iii – 21, iv -2, v – 4
d. i – 5 , ii – 3 , iii – 21, iv -4, v – 2
Ans. c
(7)