Question

what causes the existence of very large number of carbon compound?​

Answer 1

Carbon is the most abundant element on the Earth because of it's catenation power

Answer 2

Existence of Large number of Carbon Compounds is due to its Self-Linking Property (Catenation). Carbon is a small atom with Atomic number 6 has 4 valence electrons. ... Hence Carbon has very less repulsive forces due to which it is able to form large number of compounds.