25 nomenclature and isomerism

Question 1

what are the two types of stereoisomerism?

Answer 1

geometric (E-Z) and optical

Question 2

when does optical isomerism occur?

Answer 2

occurs when a chiral carbon is present and the compound is non superimposable

Question 3

define both optical and E-Z isomerism (stereoisomerism)

Answer 3

same structural formula different arrangement of atoms in space