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Which of the following reagents may be used to distinguish between phenol and benzoic acid?
  • a)
    Aqueous NaOH
  • b)
    Tollen’s reagent
  • c)
    Molisch reagent
  • d)
    Neutral FeCl3
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following reagents may be used to distinguish between phe...
Phenol gives a violet colour with neutral ferric chloride solution whereas benzoic acid does not give this test.
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Most Upvoted Answer
Which of the following reagents may be used to distinguish between phe...
's reagentc)Bromine waterd)Aqueous HCl

a) Aqueous NaOH can be used to distinguish between phenol and benzoic acid. Phenol will react with NaOH to form a water-soluble salt, while benzoic acid will not react.

b) Tollen's reagent is not used to distinguish between phenol and benzoic acid. It is used to test for the presence of aldehydes, which will produce a silver mirror when reacted with the reagent.

c) Bromine water is not used to distinguish between phenol and benzoic acid. It is used to test for the presence of unsaturation in organic compounds, and will react with phenol to form a white precipitate, while benzoic acid will not react.

d) Aqueous HCl is not used to distinguish between phenol and benzoic acid. It is used to test for the presence of carbonates, which will effervesce (produce bubbles) when reacted with the reagent. Neither phenol nor benzoic acid contain a carbonate group.
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Which of the following reagents may be used to distinguish between phenol and benzoic acid?a)Aqueous NaOHb)Tollen’s reagentc)Molisch reagentd)Neutral FeCl3Correct answer is option 'D'. Can you explain this answer?
Question Description
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