R,S Chirality

What property can be assigned to a carbon atom that has four different atoms or structural groups attached to it?

• isomerity

• chirality

• chivalry

• geometry

How many chiral center is found in C₂H₅CH(OH)CH₂OH?

• 1
• 2
• 3
• 4

Can this compound can form optical isomers?

• No

• yes

• depends on whether it wants to or not

Butanoic acid is:

• Optically active

• Non-optically active

• Basic

The optical isomer of this compound is

• 
• 
• 

Optcial isomers have:

• polarised light

• non-superimposable mirror images

• mirror images

• superimposable mirror images

Optical isomers

• reflect polarised light in opposite directions

• rotate polarised light in opposite directions

• reflect plane polarised light in opposite directions

• rotate plane polarised light in opposite directions

2-methylbutanoic acid is:

• Optically active

• Non-optically active

• Basic

How many chiral carbons are present and where?

• 2 chiral carbons - carbon 3 and 2

• 1 chiral carbon - carbon 3

• 1 chiral carbon - carbon 5

• no chiral carbons

Tags

NGSS.HS-LS1-6

What is the correct term for a 50:50 mixture of two enantiomers?

• Cis/Trans Mixture

• Mirror Image Mixture

• Chiral Mixture

• Racemic Mixture