Draw the optically inactive stereoisomer (s) of 1,3-cyclopentanediol.

1,3-cyclopentanediol has 3 possible stereoisomers. Two of which are enantiomers and are therefore, optically active, while one is optically inactive. The enantiomers are the trans - isomers which are (1R, 3R) - 1,3-Cyclopentanediol, and (1S, 3S) - 1,3 - Cyclopentanediol.

The stereoisomer that is not optically active is the cis - isomer which is (1S, 3R) - 1,3-Cyclopentanediol and is shown in the illustration below.