Question

The correct statement (s) from the following is/are:

i) All the d and f-block elements are metals.

ii) All d and f-block elements form coloured ions.

iii) All d and f-block elements are paramagnetic.

• A. i only
• B. i and ii
• C. ii and iii
• D. All

Answer 1

The correct option is A i only

D & f block elements are metals. Only those elements in d&f block forms coloured ions which have empty d orbitals or some impurities. Only those elements are paramagnetic which have unpaired electrons in their electronic configuration.