Question

In above compound, total number of $2^{\circ }$ carbon atom(s) is/are :

• A. 3
• B. 18
• C. 6
• D. 9

Answer 1

The correct option is A 3


Primary carbon are those which is attached to one carbon atom only, secondary carbon are those which is attached to two carbon atoms, tertiary carbon are those which is attached to three carbon atoms, and quaternary carbon are those which is attached to four carbon atoms.