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Assertion (A) Ethanol is a weaker acid t...

Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.

A

Assertion and reason both are correct and reason is correct explanation of assertion.

B

Assertion and reason both are wrong statements.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
C
Assertion is correct statement.
Correct Reason Phenoxide ion is stabilised by resonance but ethoxide ion is not stabilised by resonance.
Reasonance in phenoxide ion
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NCERT EXEMPLAR-ALCOHOLS, PHENOLS AND ETHERS-Alcohols, Phenols And Ethers
  1. The carbon-oxygen bond in phenol is slightly stronger than that in met...

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  2. Arrange water, ethanol and phenol in increasing order of acidity and g...

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  3. Match the structures of the compounds given in Column I with the name ...

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  4. Match the starting material given in Column I with the products formed...

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  5. Match the items of Column I with items of Column II.

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  6. Match the items of Column I with items of Column II.

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  7. Assertion (A) Addition reaction of water to but-1-ene in acidic medium...

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  8. Assertion (A) p-nitrophenol is more acidic than phenol. Reason (R) N...

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  9. Assertion (A) IUPAC name of the compound CH(3)-underset(CH(3))unders...

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  10. Assertion (A) Bond angle is ethers is slightly less than tetrahedral a...

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  11. Assertion (A) Boiling points of alcohols and ethers are high. Reason...

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  12. Assertion (A) Like bromination of benzene, bromination of phenol is al...

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  13. Assertion (A) o-nitrophenol is less soluble in water than the m and p-...

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  14. Assertion (A) Ethanol is a weaker acid than phenol. Reason (R) Sodiu...

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  15. Assertion (A) Phenol forms 2, 4, 6-tribromophenol o treatement with Br...

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  16. Assertion (A) Phenols give o-and p-nitrophenol on nitration with conc....

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  17. Write the mechanism of the reaction of HI with methoxybenzene.

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  18. (a) Name the starting material used in the industrial preparation of p...

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  19. How can phenol be converted to aspirin ?

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  20. Explain a process in which a biocatalyst is used industrial preparatio...

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