JEE Main 2019 Chemistry question

Chemistry The p-Block Elements JEE Main 2019

The number of pentagons in C and trigons (triangles) in white phosphorus, respectively, are:

(A)12 and 3
(B)20 and 3
(C)20 and 4
(D)12 and 4Correct

Answer: (D)

Solution

C has 12 pentagons and 20 hexagons; tetrahedral P has 4 triangular faces.

Question ID VK-009519