Isomerism

Propane has no structural isomers

• True
• False

Are the compounds shown isomers

• Yes
• No

Tags

NGSS.HS-PS1-3

Which formulas represent butane or its isomer?

(1) CH3(CH2)2CH3

(2) CH3CH(CH3)CH3

(3) (CH3)3CH

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1 , 2 and 3

Which structural formula represents an isomer?

• 
• 
• 
• 

A structural isomer of pentane is?

• 2-methyl butane

• 2,2-dimethyl octane

• 1-methyl propane

• 1-methyl pentane

Structural isomers have

• same molecular formula

• different physical and chemical properties.

• Have the same number of elements and atoms

• all of the above

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

• isomers

• isotopes

• polymers

• alkanes

Which of the following is true about structural isomers?

• Have the same molecular formula
• Have different physical and chemical properties.
• Have the same number of elements
• all of the above

Given the structural formulas below, which 2 formulas represent compounds that are isomers of each other?

• A and B
• A and C
• B and D
• C and D

Molecules of 1-bromopropane and 2-bromopropane differ in

• molecular formula

• structural formula

• number of carbon atoms per molecule

• number of bromine atoms per molecule