phenol and optical isomers

Benzene Structure

• Cyclic (aromatic/arenes/aryl compound) alkane with alternating double bond

• The bond can resonate.

• Prove: double bond length: 1.34 Å, single bond length: 1.54 Å, while benzene bond length: 1.39 Å

Multiple Select

Benzene.....

• have alternating double bonds

• have bond length 1.34 Å

• have empirical formula CH

Benzene Derivatives

• These are some benzene derivatives and its name

• 
  

• 
  

• 
  

Multiple Choice

What is the name of this benzene derivative compound?

• aniline

• phenol

• toluene

• nitrobenzene

Multiple Choice

Trans isomers mean the groups are at the same side of the double bond.

• True

• False

Multiple Choice

The prefixes cis- and trans- work for all types of stereoisomers.

• True

• False

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Multiple Choice

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

• isomerity

• chirality

• chivalry

• geometry

Multiple Choice

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

• 1
• 2
• 3
• 4

Multiple Choice

Which of the following statement is FALSE about optical isomers?

• At least 1 asymmetrical chiral center
• Mirror images of each other
• Non superimposable
• carbon center bonded to 4 groups

Multiple Choice

A compound capable of forming optical isomers:

• has a carbon with 4 different groups

• is at least 4 carbons long

• has a mirror image

• reflects plane polarised light

Multiple Choice

Can this compound can form optical isomers?

• No

• yes

• depends on whether it wants to or not

Multiple Choice

Butanoic acid is:

• Optically active

• Non-optically active

• Basic

Multiple Choice

The optical isomer of this compound is

Multiple Choice

Does this molecule exhibit optical isomerism?

• Yes

• No

Multiple Choice

Does this molecule exhibit optical isomerism?

• Yes

• No

Multiple Choice

Does this molecule exhibit optical isomerism?

• Yes

• No

Multiple Choice

What do we call optical isomers?

• Geometric Isomers

• Chain Isomers

• Enantiomers

• Position Isomers

Multiple Choice

Can a compound have multiple chiral centers?

• Sometimes

• No

• Only in organic compounds

• Yes