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C(6)H(5) OH and C(6) H(5) COOH show dif...

`C_(6)H_(5) OH and C_(6) H_(5) COOH` show difference in the reaction with

A

`NaHCO_(3)`

B

Na metal

C

NaOH

D

Litmus paper

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The correct Answer is:
A
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Convert C_(6)H_(6) to C_(6)H_(5)D

2C_(6)H_(5)CHO overset(NaOH) to C_(6)H_(5)CH_(2)OH + C_(6)H_(5)COONa The similar reaction can take place with which of the following aldehyde?

Assertion : The major product formed by heating C_(6)H_(5)CH_(2)OC_(2)H_(5) with HI are C_(6)H_(5)CH_(2)I and C_(2)H_(5)OH. Reason : Benzyl cation is more stale than ethyl cation.

A : HCOOH has less pK_(a) than C_(6)H_(5)COOH . R : In C_(6)H_(5)COOH,C_(6)H_(5) - group shows - l effect not +R effect

C_(6)H_(5)COCl+C_(6)H_(5)OH overset(NaOH)toC_(6)H_(5)COOC_(6)H_(5)+HCl This reaction is called :

Consider the two solutions: I: 0.5 M NaCl aqueous solution at 25^(@)C , NaCl is complete ionized. II: 2.0 M C_(6)H_(5)COOH in benzene at 25^(@)C , C_(6)H_(5)COOH dimerizes to the full extent. Which of the following statements(s) is (are) correct?

Out of C_(6)H_(5)CH_(2)Cl and C_(6)H_(5)CHClC_(6)H_(5) , which is more easily hydrolysed by aqueous KOH.

Aldehydes undergo disproportionation reaction in presence of aqueous NaOH. Simultaneou oxidation and reduction of a compound is scientifically called as disproportionation. Aldehydes having no alpha -hydrogen show this rection called Cannizzaro's reaction. Few exception are also there to this represented as : C_(6)H_(5)CHO+C_(6)H_(5)CHO overset(NaOH)underset(Delta)to C_(6)H_(5)COONa+C_(6)H_(5)CH_(2)OH Intramolecular Cannizzaro's reaction is also possible. Answer the following questions : The aldehyde which shows Cannizzaro's reaction is :

IUPAC Name of C_(6)H_(5)COC_(2)H_(5)

Consider the acidity of the carboxylic acids: (a) PhCOOH (b) o-NO_(2) C_(6) H_(4) COOH (c) m-NO_(2) C_(6) H_(4) COOH (d) p-NO_(2) C_(6) H_(4) COOH Which of the following is the strongest acid and why?

VMC MODULES ENGLISH-ALCOHOLS, PHENOLS & ETHERS-Enable
  1. In the reaction CH(3)-overset(CH(3))overset(|)CH-CH(2)-O-CH(2)-CH(3)+H...

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  2. The major organic product in the reaction . CH(3) - O- CH (CH(3))(...

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  3. When HI reacts with diethyl ether in cold product would be :

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  4. Which of the following pairs will not form ether?

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  5. Phenol reacts with which of the following give bakelite ?

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  6. Which one of the following compounds is most acidic :-

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  7. C(6) H(5)NH(2) underset (0-5^(@))overset(HNO(2)//HCI)to X underset(H(2...

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  8. The correct order of increasing acidic strength is .

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  9. C(6)H(5) OH and C(6) H(5) COOH show difference in the reaction with

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

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  11. PhOH+CHCl(3) underset("Hydroxide")overset("Sodium")to product. The p...

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  12. Phenol is more acidic than :

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  13. Phenol gives . . . . . . . . Colour with neutral FeCl(3) solution :

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  14. What is the product formed in the following reaction? C(6)H(5)OH + "...

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  15. Asqirin is obtained by the reaction of salicylic acid with

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  16. The product of the reaction of phenol with bromine water is :

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  17. C(6)H(5)COCl+C(6)H(5)OH overset(NaOH)toC(6)H(5)COOC(6)H(5)+HCl This ...

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  18. In the avove reaction the intermediate species are :

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  19. How will you prepare benzene from

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  20. Phenol is acidic , because :

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