Which observation denotes a positive Benedict's test?
A) A red-brown solution becomes clear and colorless.
B) A red precipitate forms from a blue solution.
C) A purple solution yields a brown precipitate.
D) A mirror-like deposit forms from a colorless solution.
E) A pale yellow solution with an odor of chlorine changes to a purple color.
Correct Answer:
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Q38: Which of the following is the correct
Q39: The common name of an industrial solvent
Q40: Which compound has the highest boiling point?
A)CH3CHO
B)CH3CH2CHO
C)CH3CH2OH
D)CH3CH2CH2OH
E)CH3COCH3
Q41: What ketone or aldehyde below would be
Q42: In the Benedict's test,
A)an aldehyde is oxidized.
B)a
Q44: What is the metal ion that causes
Q45: Which compound will give a positive Tollens'
Q46: Reduction of aldehydes and ketones is a
A)one-step
Q47: What is the product of the reduction
Q48: What is the metal ion that causes
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