Question

The number of $3^{\circ }$ and $2^{\circ }$ carbon atoms in the following compound is:

• A. 5, 6
• B. 5, 7
• C. 4, 6
• D. 6, 6

Answer 1

The correct option is A 5, 6


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.
Illustration for primary, secondary and tertiary carbon: