Chirality and Optical Activity
Chemistry ⇒ Carbon and Organic Chemistry
Chirality and Optical Activity starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Chirality and Optical Activity.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A chiral compound rotates plane-polarized light by +20°. What is the expected rotation if the concentration is doubled?
A compound has two chiral centers. How many possible stereoisomers can it have?
A solution contains equal amounts of (+)-lactic acid and (–)-lactic acid. What is the optical rotation of the solution?
Define enantiomers.
Describe the difference between enantiomers and diastereomers.
Describe the effect of a racemic mixture on plane-polarized light.
Explain why 1-chloropropane is achiral.
Explain why 2-chlorobutane is chiral.
Explain why a molecule with two chiral centers may still be achiral.
Name the type of isomerism shown by chiral molecules.
The specific rotation of a pure enantiomer is +50°. What is the specific rotation of its mirror image?
What is a racemic mixture?
What is the minimum number of chiral centers required for a molecule to be chiral?
What is the relationship between two molecules that are non-superimposable mirror images of each other?
