question_answer

Consider following statements:

I: In diamond, each carbon atom is linked tetratedrally to four other carbon atoms by \[s{{p}^{3}}\]bonds.

II: Graphite has planar hexagonal layers of carbn atoms held together by planar hexagonal layers of carbon atoms held together by weak van der Waals forces.

III: Silicon exists only in diamond structure due to its tendency to form \[p\pi \]-\[p\pi \]bonds to itself.

A) Only I and II are correct

B)  Only I is Correct

C)  Only II and III are correct

D)  All are correct statement