Match the items in Column I with the items in Column II.

Column I Column II
a. i. Tertiary alcohol
b. ii. Primary alcohol
c. iii. Secondary alcohol


1. a-ii; b-iii; c-i
2. a-iii; b-ii; c-i
3. a-iii; b-i; c-ii
4. a-i; b-ii; c-iii

Subtopic:  Alcohols: Preparation & Properties |
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Which among the following is/are allylic alcohol(s)?
a.  
b. \(\mathrm{H}_2 \mathrm{C}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH} \text {, }\)
c.
1. c, and b
2. b, and a
3. c, and a
4. None of the above
Subtopic:  Alcohols: Preparation & Properties |
 84%
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Incorrect match among the following is-

1. 3-Chloromethyl- 2-isopropylpentan-1-ol
2.  2, 5-Dimethylhexane-1, 3-diol
3. 3-Bromo-2-methylbut-2-en-4-ol
4. Hex-1-en-3-ol

Subtopic:  Alcohols: Preparation & Properties |
 76%
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Consider the following reaction,

Methanal + Grignard Reagent →
The structure of Grignard reagent is:

1. CH3CH2MgBr 2. (CH3)2CHMgBr
3. (CH3)2CH2CH2MgBr 4. (CH3)3CMgBr
Subtopic:  Alcohols: Preparation & Properties |
 78%
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In the given reaction, product A is: 

\(CH_3−CH=CH_2 \xrightarrow{H_2O/H^+}\) A
1. CH3CH2CH2OH 2. CH3CH(OH)CH3
3. CH3CH(OH)CH2OH 4. CH3CH2CH3
Subtopic:  Alcohols: Preparation & Properties |
 89%
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Butan-1-ol and  2-Methylbutan-2-ol can be differentiated by  :

1. HCl-ZnCl2 at room temperature.
2. HBr
3. SOCl2
4. Both (2) and (3) 

Subtopic:  Alcohols: Preparation & Properties |
 69%
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In the given reaction, product A is:


   \(\text{1-Methylcyclohexanol}~ \mathrm{\xrightarrow[]{acid \ catalysed \ dehydration}} ~\text A\) 


1. 2-Methylcyclohexene
2. 1-Methylcyclohexanol
3. 1-Methylcyclohexane
4. 1-Methylcyclohexene

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 74%
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Given below are two statements: 

Assertion (A): Ortho and para nitrophenols are more acidic than phenol.
Reason (R): Phenoxide ion formed by ortho and para nitrophenols are more stable than pehenoxide ion formed by phenol.

 

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Electrophilic Substitution Reactions, Uses of Phenols |
 82%
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Consider the two statements given below:
 

I. The given reaction is known as Kolbe’s reaction.
II. The given reaction is known as Reimer - Tiemann reaction.

 

1. Both Statement I and Statement II are true.

2. Statement I is true and Statement II is false.

3. Both Statement I and Statement II are false.

4. Statement I is false, Statement II is true.

Subtopic:  Phenols: Preparation & Properties |
 73%
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In the given reaction, product A and the reaction name are respectively:

1. 2-Ethoxy-3-methylpentane; Williamson synthesis  reaction
2. 1-Ethoxy-3-methylpentane; Williamson synthesis  reaction
3. 2-Ethoxy-3-methylpentane; Nucleophilic addition reaction
4. 1-Ethoxy-3-methylpentane; Nucleophilic addition reaction
Subtopic:  Ethers: Preparation & Properties, Uses |
 78%
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