Select Chapter Topics:
- 1(current)
Q. No.The correct IUPAC name of the following compound is:
1. 5-Oxohexanoic
2. 2-Oxohexan-5-oic
3. 5-Carboxylpentan-2-one
4. Hexan-2-on-6-oic
Subtopic: Aldehydes & Ketones: Preparation & Properties |
88%
Level 1: 80%+
Hints
Match the items in column I with items in column II.
| Column I Reactions |
Column II Reagents |
| i. Hexan-1-ol to hexanal | a. (Diisobutyl)aluminiumhydride (DIBAL-H) |
| ii. Ethanenitrile to ethanal | b. Chromyl chloride in the presence of CS2 |
| iii. p-Fluorotoluene to p-fluorobenzaldehyde | c. PCC (Pyridinium chlorochromate) |
1. i=c; ii=a; iii=b
2. i=b; ii=c; iii=a
3. i=c; ii=b; iii=a
4. i=a; ii=b; iii=c
Subtopic: Aldehydes & Ketones: Preparation & Properties |
83%
Level 1: 80%+
Hints
Consider the following reaction.
Benzyl alcohol + HBr → X \(\xrightarrow[]{KCN}\) Y \(\xrightarrow[]{H^{+}, \ H_{2}O}\) Z
The product Z is as follows:
1. 2-Phenylethanoic acid
2. 2-Phenylcarboxylic acid
3. 1-Phenylethanoic acid
4. None of the above
Benzyl alcohol + HBr → X \(\xrightarrow[]{KCN}\) Y \(\xrightarrow[]{H^{+}, \ H_{2}O}\) Z
The product Z is as follows:
1. 2-Phenylethanoic acid
2. 2-Phenylcarboxylic acid
3. 1-Phenylethanoic acid
4. None of the above
Subtopic: Carboxylic Acids: Preparation & Properties |
63%
Level 2: 60%+
Hints
The conversion of 4-Methylacetophenone to benzene-1,4-dicarboxylic acid can be achieved by:
1. (i). HCN; (ii). H+/H2O
2. (i). LiAlH4; (ii). H+/H2O
3. (i). KMnO4/KOH; (ii). dil. H2SO4
4. (i). CH3MgBr; (ii). H+/H2O
1. (i). HCN; (ii). H+/H2O
2. (i). LiAlH4; (ii). H+/H2O
3. (i). KMnO4/KOH; (ii). dil. H2SO4
4. (i). CH3MgBr; (ii). H+/H2O
Subtopic: Carboxylic Acids: Preparation & Properties |
79%
Level 2: 60%+
Hints
Subtopic: Carboxylic Acids: Preparation & Properties |
67%
Level 2: 60%+
Hints
Butanal → Butanoic acid
The best reagent for the above transformation is:
1. Tollen's reagent
2. KMnO4
3. K2Cr2O7
4. All of the above
The best reagent for the above transformation is:
1. Tollen's reagent
2. KMnO4
3. K2Cr2O7
4. All of the above
Subtopic: Carboxylic Acids: Preparation & Properties |
81%
Level 1: 80%+
Hints
Consider the given statements:
| Statement I: | The conversion of but-2-ene to ethanal can be obtained by reductive ozonolysis. |
| Statement II: | The conversion of allyl alcohol to propenal is a reduction reaction and can be achieved using the PCC reagent. |
| 1. | Statement I is correct; Statement II is correct. |
| 2. | Statement I is correct; Statement II is incorrect. |
| 3. | Statement I is incorrect; Statement II is correct. |
| 4. | Statement I is incorrect; Statement II is incorrect. |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
Level 3: 35%-60%
Hints
Select Chapter Topics:
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.