Diethyl ether may be regarded as an anhydride of:

1. C2H5COOH
2. C2H5OH
3. C2H5CHO
4. C2H5COOC2H5

Subtopic:  Ethers: Preparation & Properties, Uses |
 59%
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The reaction of CH3OC2H5 with HI give:-

(1) CH3I only

(2) C2H5OH only

(3) CH3I+C2H5OH

(4) C2H5I+CH3OH

Subtopic:  Ethers: Preparation & Properties, Uses |
 86%
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Dunstan’s test is used for identification of:

(1) acetone

(2) alcohol

(3) glycerol

(4) carbonyl compound

Subtopic:  Alcohols: Preparation & Properties |
 50%
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Lubricant used in watch is:

(1) coconut oil               

(2) pine oil

(3) animal oil                 

(4) glycerol

Subtopic:  Alcohols: Preparation & Properties |
 70%
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The value of C-O-C angle in ether molecule is -

1. 180° 2. 150°
3. 90° 4. 110°
Subtopic:  Ethers: Preparation & Properties, Uses |
 74%
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Pyroligneous acid contains:

(1) CH3COOH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)

(2) C2H5OH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)

(3) CH3COCH3 (10%), C2H5OH (2.5%), CH3OH (0.5%)

(4) none of the above

Subtopic:  Alcohols: Preparation & Properties |
 51%
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An aldehyde on treatment with Zn/HCl yields:

1. 1°  alcohol                       

2. 2°  alcohol

3. 3°  alcohol                       

4. None of the above

Subtopic:  Alcohols: Preparation & Properties |
 76%
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The alcohol that gives carboxylic acids having the same number of carbon atoms is -

1. Primary 2. Secondary
3. Tertiary 4. None of the above.
Subtopic:  Alcohols: Preparation & Properties |
 79%
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The toxicity order for CH3OH, C2H5OH and C3H7OH is:

(1) C2H5OH < CH3OH < C3H7OH

(2) C3H7OH < C2H5OH < CH3OH

(3) C2H5OH < C3H7OH < CH3OH 

(4) CH3OH < C2H5OH < C3H7OH

Subtopic:  Alcohols: Preparation & Properties |
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The organic compound present in the tincture of iodine is:

1. Alcohol

2. CCI4

3. Acetone

4. CS2

Subtopic:  Alcohols: Preparation & Properties |
 65%
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