Arrange the following compounds in order of decreasing acidity:

(a) III>I>II>IV                          (b) IV>III>I>II

(c) II>IV>I>III                          (d) I>II>III>IV

 

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Power alcohol is a mixture of petrol and alcohol in the ratio:

1. 4:1                         

2. 1:4

3. 2:1                         

4. 1:2

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The formula for allyl alcohol is:

(a) CH3-CH=CHCl                                    (b) CH2=CHCH2OH

(c) CH2ClCH2CH3                                     (d) none of these

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The -OH group of an alcohol or the -COOH group of a carboxylic acid on can be replaced by -Cl using

(a) phosphorus pentachloride

(b) hypochlorous acid

(c) chlorine

(d) hydrochloric acid

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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p-nitrophenol is stronger acid than phenol because nitro group is:

(a) electron withdrawing                       (b) electron donating

(c) basic                                              (d) acidic

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Which one of the following compounds is most acidic?                      

 

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Which of the following has highest boiling point?

(a) Benzene                          (b) Phenol

(c) Toluene                           (d) Ethyl benzene

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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n-propyl alcohol and iso-propyl alcohol can be chemically distinguished by which reagent       

(a) PCl5

(b) reduction

(c) oxidation with potassium dichromate

(d) ozonolysis

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Tautomerism is not exhibited by:

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The correct acidic order of the following is                                       

(a) I>II>III                           (b) III>I>II

(c) II>III>I                           (d) I>III>II

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Difficulty Level: