Question no 2
Yes but i have confused with various degrees of carbon can you give one way to not confuse
A primary carbon can be written as 1° has one carbon attached to this carbon atom.
A secondary carbon written as 2° is a carbon attached to two other carbons.
A tertiary carbon written as 3° is a carbon attached to three other carbons.
And a quaternary carbon written as 4° ) is a carbon attached to four other carbons. Also, a 4 degree carbon is attached only to carbons.