The reducing agent among the following is -

1. CrO3/H+

2. KMnO4

3. LiAlH4

4. O3

Subtopic:  Alcohols: Preparation & Properties |
 89%
From NCERT
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Optically active 2-octanol rapidly loses its optical activity when exposed to :

1. Dilute acid 2. Dilute base
3. Light 4. Humidity
Subtopic:  Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol |
 57%
From NCERT
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Product (A) in the reaction below is:
1.  2.
3. 4.  
Subtopic:  Phenols: Preparation & Properties |
 70%
From NCERT
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An ester cannot be prepared by -

1. RCOOH + R'OH + OH-

2. RCOCl+R'OH +Pyridine

3. RCOOH+ R’OH +H+

4. (RCO)2O + R'OH + Pyridine

Subtopic:  Alcohols: Preparation & Properties |
From NCERT
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Widespread deaths due to liquor poisoning occur due to the presence of-
1. Lead compounds in liquor 2. Methyl alcohol in liquor
3. Ethyl alcohol in liquor 4. Carbonic acid in liquor
Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 78%
From NCERT
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Intermolecular dehydration of alcohol gives:

1. Alkenes

2. Ketones

3. Alkynes

4. Ethers

Subtopic:  Ethers: Preparation & Properties, Uses |
 57%
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Product C in the following sequence of reactions is:
\(C_2H_5Br \xrightarrow{NaOH\text{(aq)}}\ A \xrightarrow{Na}\ B\ \xrightarrow{CH_3I}\ C\)

1. Butane 2. Ethane
3. Methyl ethyl ether 4. Propane
Subtopic:  Ethers: Preparation & Properties, Uses |
 87%
From NCERT
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Diethyl ether may be regarded as an anhydride of:

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

Subtopic:  Ethers: Preparation & Properties, Uses |
 58%
From NCERT
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The value of C-O-C bond angle in ether molecule is:

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