Cyclohexane and IUPAC Naming Concepts

Cyclohexane and IUPAC Naming Concepts

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial by Professor Dave explains the process of determining the IUPAC names for various organic compounds, including hexane, octane, cyclohexane, cyclohexene, and alkyne derivatives. The tutorial emphasizes the importance of identifying the parent chain, numbering the carbon atoms to give substituents the lowest possible numbers, and ordering substituents alphabetically. It also highlights common errors in naming and provides guidance on avoiding them. The video concludes with a discussion on invalid IUPAC names.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in determining the IUPAC name for a compound?

Determine the molecular geometry

List the elements alphabetically

Identify the substituents

Find the parent chain

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When naming a compound, why is it important to number the carbon chain?

To determine the molecular weight

To identify the longest chain

To give the first substituent the lowest possible number

To find the total number of carbons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In IUPAC naming, how should substituents be ordered?

By their molecular weight

By their position on the chain

Alphabetically

By their chemical reactivity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct IUPAC name for a compound with a five-carbon chain and substituents on the third and fourth carbons?

3,4-dimethylhexane

3,4-dimethylpentane

4,3-dimethylhexane

4,3-dimethylpentane

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the lowest set of locants in a cyclohexane compound?

By counting the total number of substituents

By numbering the ring to give the lowest numbers to substituents

By starting from the largest substituent

By identifying the most reactive substituent

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the priority order for numbering substituents in a cyclohexane?

By the number of carbons in the substituent

By size of the substituent

By the position of the double bond

Alphabetical order

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a cyclohexene derivative, which carbons must be numbered as one and two?

The carbons with the highest atomic number

The carbons in the double bond

The carbons with the most substituents

The carbons at the end of the chain

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