Multiple Choice
Which term refers to substances, such as mineral dyes, that impart color to products?
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3. Chemical Reactions
Functional Groups in Chemistry
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Which functional group is most commonly associated with compounds that have a strong odor, such as those found in garlic and onions?
A
Alcohol (–OH)
B
Thiol (–SH)
C
Carboxylic acid (–COOH)
D
Aldehyde (–CHO)
Verified step by step guidance1
Understand that the question is asking about the functional group responsible for strong odors in compounds, specifically those found in garlic and onions.
Recall that alcohols (–OH) generally have mild or sweet odors and are not typically associated with strong, pungent smells.
Recognize that carboxylic acids (–COOH) often have sour or vinegar-like odors, but these are not the characteristic smells of garlic or onions.
Know that aldehydes (–CHO) can have strong odors, but they are usually more fruity or pungent in a different way, not the sulfurous smell linked to garlic and onions.
Identify that thiols (–SH) contain sulfur, which is well-known for producing strong, often unpleasant odors, and are the functional groups most commonly associated with the characteristic smell of garlic and onions.
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