The number of pentagons in ${\mathrm{C}}_{60}$ and trigons (triangles) in white phosphorus, are;

• A

  $12$ and $3$
• B

  $20$ and $4$
• C

  $20$ and $3$
• Correct answer
  D

  $12$ and $4$

Solution

${\mathrm{C}}_{60}$ is a molecule that consists of $60-\mathrm{C}$ atoms, arranged as $12$ pentagons and $20$ hexagons.


It has $4$ trigons.

Hence, the correct answer is option: 'D'.