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Phenol when condensed with phthalic anhy...

Phenol when condensed with phthalic anhydride in the presence of conc. `H_(2)SO_(4)`, yields `,`

A

methyl orange

B

phenolphthalein

C

phenol red

D

salicyclic acid

Text Solution

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The correct Answer is:
B
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OP TANDON-ALCOHOLS, PHENOLS AND ETHERS-PHENOLS
  1. Picric acid is a yellow coloured compound. Its chemical name is

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  2. Sodium phenoxide when heated with CO(2) under pressure at 398K gives :

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  3. Phenol when condensed with phthalic anhydride in the presence of conc....

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  4. Phenol is heated with C Cl(4) and alkaline KOH when salicylic acid is ...

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  5. Phenol reacts with bromine in carbon disulphide at low temperature to ...

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  6. Of the two compounds shown below , the vapour pressure of B at a par...

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  7. Reaction of phenol with chloroform in presence of dilute sodium hydrox...

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  8. Phenols react with ferric chloride solution to give :

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  9. Which one is the most acidic compound?

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  10. The formation of salicyclic acid from phenol using NaOH and CO(2) is k...

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  11. Which one of the following compounds has the most acidic nature?

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  12. Cumene underset((II)H(2)O,H^(+))overset((i)O(2))(rarr) (X) and (Y) , ...

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  13. +C(2)H(5)I underset("Anhyde."C(2)H(5)OH)overset(.^(-)OC(2)H(5))(rarr)?

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  14. Phenol underset("distillation")overset("Zinc")(rarr)(A)underset("conc....

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  15. the most volatile compound is

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  16. The product formed in the reaction is :

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  17. Phenol on standing in air develops a red colour due to formation of :

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  18. Phenol on heating with alcoholic with KOH and chloroform undergoes :

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  19. Neutral FeCl(3) gives purple colour with :

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  20. Kolbe Schmitt Reaction

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