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Which of the following produces violet c...

Which of the following produces violet colour with `FeCl_(3)` solution?

A

Enols

B

Ethanol

C

Ethanal

D

Alkyl halides

Text Solution

Verified by Experts

The correct Answer is:
A
Ferric chloride test is used to determine the presence of phffiol,, ffiob, hydroxamic acids `(R-overset(O) overset(||)C-underset(R.) underset|N-O-H)`, oximes and sulfinic acids.
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ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-NCERT BASED QUESTIONS (Properties of Alcohols, Phenols and Ethers)
  1. Phenol is treated with bromine water and shaken well. The white precip...

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  2. A compound that easily undergoes bromination is

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  3. Which of the following produces violet colour with FeCl(3) solution?

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  4. At low temperature phenol reacts wity Br(2) in CS(2) to form

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  5. The compound obtained by heating salicylic acid with phenol in the pre...

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  6. Phenol reacts with C CI(4) is presence of aqueneous alkali and forms a...

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  7. Which one of the following properties is exhibited by phenol ?

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

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  9. Which of these compounds will not form tribromo derivative ?

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  10. Phenol reacts with bromine in chloroform at low temperature to give

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  11. Which of the following will undergo Friedel-Crafts alkylation reaction...

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  12. Which of the following compounds is aromatic alcohol

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  13. Phenol is less acidic than

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  14. In the Liebermann's nitroso reaction, sequential changes in the colour...

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  15. An organic compound 'X' with molecular formula C7H8O in insoluble i...

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  16. Anisol overset((CH(3))(3)C Cl)underset(AlCl(3))(rarr)overset(Cl(2)//Fe...

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  17. The compound which is not isomeric with diethyl ether is :

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  18. When ether is exposed to air for some time, an explosive substance pr...

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  19. Ether which is liquid at room temperature is

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  20. Diethyl ether can be decomposed by heating with :

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