Question
Question: Which of the following is not correct about transition metals....
Which of the following is not correct about transition metals.
A
Their melting and boiling points are high
B
Their compounds are generally coloured
C
They can form ionic or covalent compounds
D
They do not exhibit variable valency
Answer
They do not exhibit variable valency
Explanation
Solution
They show variable valency due to presence of vacant d-orbitals.