MEDIUM
JEE Advanced
IMPORTANT
Earn 100

Give reasons for the following:

(b) Carbon has a strong tendency for catenation compared to silicon.

Important Questions on p-Block Group 14 (The Carbon Family)

MEDIUM
JEE Advanced
IMPORTANT
Carbon and silicon both belong to the group 14, but inspite of the stoichiometric similarity, the dioxides (i.e., carbon dioxide and silicon dioxide), differ in their structures. Comment.
EASY
JEE Advanced
IMPORTANT
(CH3)3N is pyramidal and acts as a Lewis base wbereas (SiH3)3N is planar and has a very little basic character. Comment on the statement.
MEDIUM
JEE Advanced
IMPORTANT

Consider the following statements:

I: In diamond, each carbon atom is linked tetrahedrally to four other carbon atoms by sp3 bonds.
II: Graphite has 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 pπ-pπ bonds to itself. 

Which statement (s) is/are correct?