Optically active isomers that are not mirror images of each other are called:

$A$ natural product was isolated in the laboratory and its observed rotation was $+10^{\circ}$. When measured in a $1 \ dm$ sample tube containing $1 \ g$ of compound in $10 \ mL$ of water. What is the specific rotation of this compound?

Which of the following compounds is optically active?

The maximum number of stereoisomers that could exist for the compound $2,3,4,5$-tetrabromohexane is:

The following compound contains how many chiral centres?

Which of the following compounds will exhibit optical isomerism?