Two possible stereoisomers for the given compound are:

The stereoisomers that are formed by electrophilic addition of bromine to $trans-but-2-ene$ is/are:

How many stereoisomers are possible for $2$-hydroxycyclopentanethiol?

What is a chiral molecule?

Explain the following terms:
$(i)$ Plane polarised light
$(ii)$ Optical activity
$(iii)$ Chirality
$(iv)$ Chiral centre (atom)
$(v)$ Enantiomers
$(vi)$ Diastereomers
$(vii)$ Meso compounds
$(viii)$ Plane of symmetry and Achiral molecule
$(ix)$ Centre of symmetry

Which of the following compounds is optically inactive?