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(A) Alcohols act as Bronsted - Lowry bas...

(A) Alcohols act as Bronsted - Lowry bases.
(R) In alcohols the lone pair of electrons on oxygen forms dative bond by accepting a proton

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ALCOHOLS, PHENOLS AND ETHERS-ETHERS (OBJECTIVE EXERCISE-4)
  1. (A): Oxidation of tertiary alcohols requires strong oxidising agent an...

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  2. (A) Acetone and propenol-2 are tautomers. (R) Propanone and propen...

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  3. (A) Alcohols act as Bronsted - Lowry bases. (R) In alcohols the lo...

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  4. (A) Anhydrous ZnCl2 is used in reaction of alcohols with HCI. (R)...

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  5. (A) Alcohols can act as nucleophiles (R) Alcohols form salts with...

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  6. (A) Tertiary alcohols are more reactive for nucleophilic substitution ...

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  7. (A) Reactivity of primary alcohol is more than secondary alcohols towa...

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  8. (A) The bond angle C-O-H in alcohol is less than in phenols (R) I...

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  9. (A) In ethers, bond angle C-O-C is more than tetrahedral angle (R...

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  10. (A) n-propyl alcohol is prepared from propene by the action of B2H6 f...

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  11. (A) During acid catalysed esterification, oxygen atom of alcohol is pr...

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  12. (A) Lucas reagent is used to distinguish 1^@ , 2^@ and 36@ alcohols ...

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  13. (A) Addition of water to (CH3)2 - C = CH - CH3 gives (CH3)2 - COH - C...

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  14. (A) 1-propanol & 2-propanol can be distinguished by haloform test ...

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  15. (A) Alcohols are acidic in nature but donot react with NaOH solution ...

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  16. (A) The acidity of alcohols follow the order 1^@ gt 2^@ gt 3^@ (R...

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  17. (A) For the reduction of esters in to alcohols Ni//H2 is preferred tha...

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  18. (A) Dichloro carbene acts as electrophile in Reimer-Tiemann reaction. ...

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  19. (A) : Phenols are more acidic than alcohols. (R): Phenoxide ion is m...

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  20. (A) In methanol C-O bond length is 1.42Å, but in phenol, it is 1.36Å. ...

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