How many types of nonequivalent protons does the following compound contain? (Example: CH3CH2Cl has two types, CH3 and CH2.)
(CH3)2CHCl
a. Three types; 2 CH3 and 1 CH
b. Two types CH3 and CH
c. One type; all protons are the equivalent.
d. There are seven nonequivalent protons in this compound