Which of the following is a carbanion?
CH3−⊖CH2
CH3−⊕CH2
C6H5−.CH2
None of these
As the name suggests, carbon bearing a negative charge is called a carbanion. Therefore, CH3−⊖CH2 is the carbanion among the given compounds.
Which of the following is a metamer of CH3CH2−S−CH2CH3?