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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Ethanol and dimethyl ether form a pair of functional isomers. The boiling point of ethanol is higher than that of dimethyl ether due to the presence of                                            

(a) H-bonding in ethanol

(b) H-bonding in dimethyl ether

(c) -CH3 group in ethanol

(d) -CH3 group in dimethyl ether

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The compound B formed in the following sequence of reactions,

CH3CH2CH2OHPCl5AAlc.NaOHB will be:

(a) propyne                                 (b) propene

(c) propanal                                 (d) propane

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Ethyl alcohol is denatured by:

(a) methanol and formic acid

(b) KCN

(c) CH3OH and C6H6

(d) CH3OH and pyridine

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Chlorobenzene reacts with Mg in dry ether to give a compound (A) which further reacts with ethanol to yield     

(a) phenol                               (b) benzene

(c) ethyl benzene                     (d) phenyl ether

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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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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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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Which one of the following compounds is most acidic?                      

 

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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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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