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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The reaction;

 RCOOH C2H5OH + NaRCH2OH is called:

(a) Corey House reaction

(b) Bonveault-Blanc reaction

(c) Clemmensen reduction

(d) none of the above

 

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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C2H5OH cannot be dried by anhydrous CaCl2, because:

(a) C2H5OH is soluble in water

(b) explosion takes place

(c) C2H2OH reacts with CaCl2

(d) none of the above

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Which of the following undergoes dehydration most readily?

1. 1-phenyl-l-butanol

2. 1-phenyl-2-butanol

3. 2-phenyl-2-butanol

4. 2-phenyl-l-butanol

Concept Questions :-

Mechanism of Dehydration, Uses, Methanol and Ethanol
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Glycerol on oxidation with Fenton's reagent produces:

(a) glyceraldehyde

(b) dihydroxy acetone

(c) tartonic acid

(d) glyceraldehyde and dihydroxy acetone

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The alcohol that forms fats with fatty acids is:
(a) glycerol
(b) ethanol
(c) methanol
(d) glycol

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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The explosive nitroglycerine is:

(a) a soap

(b) a salt

(c) an ester

(d) a complex compound

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Difficulty Level: