Question

Select all the statements that correctly describe a pair of structural isomers.

Check all that apply.

O Structural isomers differ in the way their atoms are connected to each other.
O Structural Isomers are different compounds.
O Structural Isomers have different molecular formulas.
O Structural isomers are also called constitutional isomers.
O Structural isomers differ by one CH₂ group.

Answer 1

Structural isomers, or constitutional isomers, are different compounds with the same molecular formula but different connectivity of atoms. They are distinct in their physical and chemical properties. The proposition that structural isomers differ by one CH₂ group or have different molecular formulas is false.

option d is the correct

Step-by-step explanation:

Selecting the correct statements that describe a pair of structural isomers involves understanding their fundamental characteristics. Structural isomers, also known as constitutional isomers, are compounds that have the same molecular formula but differ in how the atoms are connected to each other.

This means they are different compounds in terms of their physical and chemical properties due to the variation in their structure. However, it is not necessarily true that structural isomers will differ by one CH₂ group as isomers can vary more widely than that difference alone.

The statements that correctly describe a pair of structural isomers include:

• Structural isomers differ in the way their atoms are connected to each other.
• Structural isomers are different compounds.
• Structural isomers are also called constitutional isomers.

However, the statement that structural isomers have different molecular formulas is incorrect because by definition, structural isomers have the same molecular formula but differ in their bonding sequences.