Question

Why carbon forms covalent bond? Givetworeasons for carboj forming q large number of compounds?

Answer 1

First off Carbon has a whole branch in chemistry called as organic chemistry which is the study of the different types of compounds that carbon makes.
The reason that carbon forms covalent bonds and large number of compounds is because it has an electronic configuration of (2,4). Hence carbon prefers to share electrons rather than donating or accepting (as to attain stability it needs 4 more electrons)

hope this answer is able to clarify your doubt.