Question
Question: Which is not true for transition elements....
Which is not true for transition elements.
A
They are all metals
B
They show variable valency
C
They form coloured ions
D
They do not form co-ordinate compounds
Answer
They do not form co-ordinate compounds
Explanation
Solution
Transition elements form co-ordinate compounds because of
(i) High nuclear charge
(ii) Small size
(iii) Vacant d-orbital