Which of the following does not show electrical conduction?
A.
Potassium
B.
Graphite
C.
Diamond
D.
Sodium
Answer :
Diamond
Solution :
Diamond does not show electrical conductivity due to the absence of free electrons. Sodium and potassium are metallic conductors while graphite is a non-metallic conductor.
Releted MCQ Question on Inorganic Chemistry >> P - Block Elements
Releted Question 1
The reddish brown coloured gas formed when nitric oxide is oxidised by air is