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Which of the following compounds produce...

Which of the following compounds produces a violet colour on addition of a few drops of `FeCl_(3)` solution?

A

Salicylic acid

B

Benzoic acid

C

tartaric acid

D

Citric acid

Text Solution

Verified by Experts

The correct Answer is:
A
Salicylic acid is `o-`hydroxybenzoic acid. It behaves as a phenol and as an acid. Thus its aqueous solition gives a violet colour with ferric chloride.
Note That `m-`hydroxylbenzoic acid does not give a cooration with ferric chloride.
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R SHARMA-ALCOHOL, PHENOL AND ETHERS-PHENOLS (II)
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  2. Which of he following does not possess a carboxy group?

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  3. Which of the following compounds produces a violet colour on addition ...

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  4. Salicylic acid on heating with soda lime gives

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  5. When phenol is treated with a solution of Br(2) in carbon disulphide a...

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  6. The reaction is an example of

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  7. Which of the following staments is correct regarding the solubilities ...

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  8. Phenol on being heated with concentrated H(2)SO(4) and then with conce...

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  9. A mixture of benzoic acid and phenol may be separated by treatment wit...

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  10. Phenol can be converted into salicylic acid by heating with

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  11. The major product obtanined on interaction of phenol with sodium hydr...

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  12. Which of the following does not liberate CO(2) from NaHCO(3).

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  13. When phenol is heated with CHCl(3) and alcoholic KOH, salicylaldehyde ...

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  14. Increasing order of acidic strength among p-methoxyphenol (i)p-methylp...

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  15. The boiling point of p-nitrophenol is higher than that of o-nitropheno...

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  17. Phenol can be distinguished from ethanol by the following reagents exc...

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  18. The compound used to manufacture phenol is

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  19. Salicylic acid is prepared from phenol by

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  20. Picric acid is

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