Ethoxy ethane and methoxy propane are (A) Geometrical isomers (B) Optical isomers (C) Functional group isomers (D) Metamers

Question: 

Ethoxy ethane and methoxy propane are 

(A) Geometrical isomers 

(B) Optical isomers 

(C) Functional group isomers 

(D) Metamers

Answer:

Correct option: (D) Metamers

Explanation:

Structure of Ethoxyethane:

CH₃-CH₂-O-CH₂-CH₃

Structure of Methoxy propane:

CH₃-O-CH₂-CH₂-CH₃

Ethoxy ethane and Methoxy propane are metamers. Because, both are isomeric ethers but oxygen is attached to different alkyl groups in two compounds. Ethoxyethane and Methoxy propane are metamers. Because, both are isomeric ethers but oxygen is attached to different alkyl groups in two compounds.

Hence, option (D) "Metamers" is the correct answer.