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
a. | |
b. | \(\mathrm{H}_2 \mathrm{C}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH} \text {, }\) |
c. |
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 |
Consider the following reaction,
Methanal + Grignard Reagent →
The structure of Grignard reagent is:
1. | CH3CH2MgBr | 2. | (CH3)2CHMgBr |
3. | (CH3)2CH2CH2MgBr | 4. | (CH3)3CMgBr |
1. | CH3CH2CH2OH | 2. | CH3CH(OH)CH3 |
3. | CH3CH(OH)CH2OH | 4. | CH3CH2CH3 |
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)
\(\text{1-Methylcyclohexanol}~ \mathrm{\xrightarrow[]{acid \ catalysed \ dehydration}} ~\text A\)
1. 2-Methylcyclohexene
2. 1-Methylcyclohexanol
3. 1-Methylcyclohexane
4. 1-Methylcyclohexene
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. |
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.
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 |