Which of the following statements are correct about Zn, Cd
CHEMISTRY · Single correct · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry
Problem
Which of the following statements are correct about Zn, Cd, and Hg?
I. They exhibit high enthalpies of atomisation as the d-subshell is full.
II. Zn and Cd do not show variable oxidation states, while Hg shows +1 and +2 oxidation states.
III. Compounds of Zn, Cd, and Hg are paramagnetic in nature.
IV. Zn, Cd, and Hg are called soft metals.
(1) I, II, III
(2) I, III
(3) II, IV
(4) IV only