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When FeCl(3) is added to phenol :...

When `FeCl_(3)` is added to phenol `:`

A

No reaction occurs

B

A coloured complex will be formed

C

`Fe^(3+)` will be oxidized to higher state

D

o -Chlorophenol will be formed

Text Solution

Verified by Experts

The correct Answer is:
B
Phenol reacts with `FeCl_3` to give a purple coloured complex.
`6C_6H_5OH+FeCl_3 to [Fe(C_6H_5O)_6]^(3-)+3H^(+)+ 3HCl`.
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ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-NCERT BASED QUESTIONS (Properties of Alcohols, Phenols and Ethers)
  1. Benzoylation of phenol in alkaline medium is known as :

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  2. What amount of bromine will be required to convert 4 g of phenol into ...

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  3. When FeCl(3) is added to phenol :

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  4. Rate of substitution reaction in phenol is:

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  5. In presence of NaOH, phenol react with CHCl(3) to form o-hydroxy benza...

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  6. Phenol on distillation with zinc dust gives .

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  7. Phenol is more acidic than ethanol due to

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  8. In Friedel-Crafts acylation, besides AlCl(3), the other reactants are

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  9. "Phenol "overset(NaNO(2)//H(2)SO(4))rarr B overset(H(2)O)rarr C overse...

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  10. Phenol is more acidic than :

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  11. Reaction is called

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  12. IUPAC name of m-cresol is.......... .

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  13. Sodium pheoxide reacts with CO(2) at 400K and 4-7 atm pressure to give

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  14. Phenol is treated with bromine water and shaken well. The white precip...

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  15. A compound that easily undergoes bromination is

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

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

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

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

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

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