MCAT Chemistry Question — Methyl Propanoate | Next Step Test Prep MCAT Chemistry Question — Methyl Propanoate | Next Step Test Prep

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What is the structure of methyl propanoate?

 

A) CH3COCH2CH3

 

B) CH3COOCH3

 

C) CH3CH2COOCH3

 

D) CH3CHOCH2CH3

 

 

Explanation

 

Break down the compound name: methyl indicates CH3, propane indicates a 3-carbon chain, and “oate” indicates an ester linkage. Only choice C) has the correct groups present.

 

A) CH3COCH2CH3, incorrect, This is a ketone.

 

B) CH3COOCH3, incorrect, This shows an ester but lacks a 3-carbon propane.

 

C) CH3CH2COOCH3, correct.

 

D) CH3CHOCH2CH3, incorrect, This is an ether.

 

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