Words to Describe carbocation

How carbocation often is described ("________ carbocation")

• intermediate
• secondary
• delocalized
• formed
• reactive
• benzylic
• primary
• classical
• open
• electrophilic
• achiral
• incipient
• corresponding
• initial
• stable
• allylic
• unstable
• free
• planar
• butyl
• tertiary
• adjacent
• vinylic
• cyclic