Proof spirit contains about:

1. 48% alcohol by mass

2. 10% alcohol by mass

3. 5% alcohol by mass

4. 90% alcohol by mass

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The correct order of solubility of 1°,2° and 3° alcohol in water is:

(a) 3°>2°>1°                              (b) 1°>2°>3°

(c) 3°>1°>2°                              (d) none of these

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Which of the following is an alkoxide?

 

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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The value of C-O-C angle in ether molecule is :

1. 180°                                     

2. 150° 

3. 90°                                       

4. 110°

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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Ethyl alcohol is also known as:

1. spirit of wine                         

2. methyl carbinol

3. grain alcohol                           

4. all of these

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The products formed in the following reaction, C6H5-O-CH3 + HI Heat are:

(a) C6H5OH and CH3I                 (b) C6H5I and CH3OH

(C) C6H5CH3 and HOI                 (d) C6H6 and CH3OI

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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The formula of phenoxy benzene is :

1. C6H5C6H5                             2. C6H5-O-C6H5

3. C6H5-O-C6H6                         4. none of these

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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CHCHO3/NAOHXZn/CH3COOHY is: 

(a) CH2OH-CH2OH                   (b)CH3CH2OH 

(c) CH3COOH                           (d)CH3OH

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Which of the following reacts with water

(a) CHCl3                                     (b) CCl4

(c) CCl3CHO                                (d) CH2ClCH2Cl

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Given are cyclohexanol (I), acetic acid (II), 2,4,6-trinitrophenol (III) and phenol (IV). In these, the order of decreasing acidic character will be                                                       

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

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

Concept Questions :-

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