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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When an ether is treated with P2S5 we get:

(a) thio-alcohol                          (b) thio-ester

(c) thio-ether                            (d) thio-aldehyde

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
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Which one of the following will most readily be dehydrated in acidic conditions?

Concept Questions :-

Mechanism of Dehydration, Uses, Methanol and Ethanol
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1-propanol and 2-propanol can be best distinguished by:-

(a) oxidation with alkaline KMnO4 followed by reaction with Fehling's solution

(b) oxidation with acidic dichromate followed by reaction with Fehling’s solution

(c) oxidation by heating with copper followed by reaction with Fehling’s solution

(d) oxidation with conc. H2SO4 followed by reaction with Fehling’s solution

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