What is the main product when propanal is treated with sodium bisulfite? (2019)

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Question: What is the main product when propanal is treated with sodium bisulfite? (2019)

Options:

Correct Answer: A bisulfite adduct

Exam Year: 2019

Solution:

Propanal reacts with sodium bisulfite to form a bisulfite adduct, which is a characteristic reaction of aldehydes.

What is the main product when propanal is treated with sodium bisulfite? (2019)

What is the main product when propanal is treated with sodium bisulfite? (2019)

Step 1: Identify the starting material, which is propanal. Propanal is an aldehyde with the formula C3H6O.
Step 2: Understand that sodium bisulfite (NaHSO3) is a reagent that reacts with aldehydes.
Step 3: When propanal is treated with sodium bisulfite, a reaction occurs where the bisulfite ion (HSO3-) adds to the carbonyl carbon of the aldehyde.
Step 4: This addition forms a new compound called a bisulfite adduct.
Step 5: The bisulfite adduct is a characteristic product formed from the reaction of aldehydes with sodium bisulfite.

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