How many stereoisomers have the following compound?

A Fischer projection shows the three-dimensional structure of the molecule.

The meso compound is ------ on its mirror image and optically ------.

Diastereomers have ------- physical properties and ------ chemical properties

The enantiomers with similar group on the same side of carbon chain are called erythro enantiomers.

Racemic mixture can rotate with the plane of polarized light.

The compound has four asymmetric carbons, this compound has ------ stereoisomers

The amount of rotations will vary with ------.

When polarized light passing through a solution of an achiral molecules, the light emerges with its plane of polarization ----- and optically -----.

When polarized light passing through a solution of a chiral molecules, the light emerges with its plane of polarization ----- and optically -----.