Misclelaneous junk

Question 1

Stereocenter

Answer 1

Carbon (not necessarily bound to 4 things) where switching 2 bonds creates a stereoisomer

Question 2

Meso

Answer 2

Multiple chiral centers and internal plane of symmetry

Question 3

Chiral center

Answer 3

Tetrahedral carbon with 4 different groups

Question 4

Optically active compounds

Answer 4

rotate the plane of plane polarized light