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Phenol is heated with phthalic anhydride...

Phenol is heated with phthalic anhydride in the presence of conc. `H_(2)SO_(4)`. The product gives pink colour with alkali. The product is

A

phenolphthalein

B

bakelite

C

salicylic acid

D

fluorescein

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The correct Answer is:
A
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ALCOHOLS, PHENOLS AND ETHERS-PRACTICE EXERCISE (Exercise 1 (TOPICAL PROBLEMS))
  1. is an example of

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  2. The main product obtained from phenol with PCl(5) is

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  3. Phenol is heated with phthalic anhydride in the presence of conc. H(2)...

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  4. Picric acid is

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  5. Sulphonation of phenol with conc. H(2)SO(4) at 288-298 K gives

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  6. Acidity of phenol is due to

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  7. Phenol on treatment with diethyl sulphate in presence of NaOH gives

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  8. By heating phenol with chloroform in alkali, it is converted into

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  9. C(2)H(5)OH and C(6)H(5)OH can be distinguished by

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  10. The most acidic compound is

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  11. Which of the following can be used to convert into phenol in one or mo...

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  12. Ortho and para-nitrophenols are separated by which of the following me...

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  13. The most unlikely representation of resonance structures of p-nitrophe...

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  14. The reaction used for the preparation of phenol is

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

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  16. Phenol when it first reacts with concentrated sulphuric acid and then ...

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  17. Salicylaldehyde is obtained when phenol is heated with CHCl(3) and aqu...

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  18. Consider the following reaction Phenol overset(Zn)underset("dust")ra...

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  19. The major product in the above reaction is

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

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