Geometrical isomerism is not exhibited by -

The configuration at $\mathrm{C}-2$ and $\mathrm{C}-5$ in the following compound, respectively, are:

The Newman projection of

is known as the

Two possible stereoisomers for

are:

Given the structure of $\mathrm{D}-(+)$ -glucose as

 The structure of $\mathrm{L}-(-)$ glucose is