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Phenol and benzoic acid may be distingui...

Phenol and benzoic acid may be distinguished by their reaction with :

A

Aqueous `NaOH`

B

Aqueous `NaHCO_(3)`

C

Neutral `FeCl_(3)`

D

Aqueous `NH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
(b,c) Aqueous `NaHCO_(3)` evolves `CO_(2)` from benzoic acid and not from phenol. Similarly, neutral `FeCl_(3)` gives violet colouration with phenol and not with benzoic acid.
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DINESH PUBLICATION-CARBOXYLIC ACIDS -MULTIPLE CHOICE QUESTION BANK (MCQB)
  1. The correct order of acidity for the following compounds is

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  2. The acids which do not contain a-COOH group are :

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  3. Phenol and benzoic acid may be distinguished by their reaction with :

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  4. Which of the following on oxidation with alkaline KMnO(4) followed by ...

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  5. Which of the following statements is/are correct about formic acid?

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  6. Assertion : Benzoic acid is a weaker acid than formic acid. Reason :...

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  7. Acetic acid does not undergo haloform reaction. Acetic acid has no a...

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  8. Assertion: Formic acid reduces mercuric chloride to mercurous chloride...

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  9. Assertion : Nitration of benzoic acid gives meta nitrobenzoic acid. ...

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  10. Assertion : Carbxoylic acids donot give characteristic reactions of ca...

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  11. Assertion : Upon heating an amide with Br(2)" and "KOH, primary amine ...

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  12. Assertion : Carboxylic acids are stronger acids than phenols. Reason...

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  13. Assertion : Although fluorine is more electronegative than chlorine, p...

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  14. Assertion : Acid amides are weakly basic in nature. Reason : Basic c...

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  15. Assertion: The pK(a) of acetic acid is lower than that of phenol. R...

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  16. Assertion: Formic acid reduces mercuric chloride to mercurous chloride...

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  17. Assertion : Phenol and benzoic acid can be distinguished by NaHCO(3). ...

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  18. Assertion : Carboxylic acids of lower molecular mass are water soluble...

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  19. Assertion: Formic acid reduces mercuric chloride to mercurous chloride...

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  20. Assertion : Carboxylic acids contain a carbonyl group but donot give t...

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