Under drastic conditions all the alcohols can be oxidized to carboxylic acids but the following alcohols give carboxylic acids having same number of carbon atoms:

(a) primary

(b) secondary

(c) tertiary

(d) none of these

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The toxicity order for CH3OH, C2H5OH and C3H7OH is:

(a) C2H5OH < CH3OH < C3H7OH

(b) C3H7OH < C2H5OH < CH3OH

(c) C2H5OH < C3H7OH < CH3OH 

(d) CH3OH < C2H5OH < C3H7OH

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The organic compound present in tincture of iodine is:
(a) alcohol
(b) CCI4
(c) acetone
(d) CS2

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The principal organic product in the reaction is:

+ one equivalent of HI Product 

(a) 

(b) 

(c) 

(d) 

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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The cleavage of an aryl-alkyl ether with hydrogen halide will give:

(a) a molecule each of an alkyl halide and water

(b) a molecule each of an aryl halide and water

(c) a molecule each of an alkyl halide, aryl halide and water

(d) a molecule each of phenol and an alkyl halide

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Wood spirit is:

1. CH3OH

2. C2H5OH

3. CH3CH2CH2OH

4. none of these

Concept Questions :-

Mechanism of Dehydration, Uses, Methanol and Ethanol
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Ether fire can be extinguished by:

(a) sand

(b) pyrene

(c) CO2

(d) all of these

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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Phenol is:

1. a base weaker than NH3

2. an acid stronger than carbonic acid

3. an acid weaker than carbonic acid

4. neutral

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
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Identify Z in the following series,
                          Conc. H2SO    Br2      1.Alc. KOH/2.NaNH2
CH3-CH2-CH2OHXYZ
                                  160-180°C      
(a)(b)(c)(d)
     

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Purity of ether before using it as anaesthetic agent is tested by :-
1. KI + starch
2. CuSO4
3. H2SO4
4. none of these

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
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