Which of the following statements about tansition metals in wrong ?

Options

A. They form compounds are diamagnetic
B. All exhibit variable valency
C. They exhibit variable valency
D. They contain partially filled d-orbitals.

Answer

B

Explanation

Transition metals may be paramagnetic or diamagnetic. If the metal contains unpaired electrons in d-subshell, then it is paramagnetic, whereas if all the electrons are paired, then the metal is diamagnetic