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Q. No.Match the reactions listed in List-I with the appropriate reagents or conditions listed in List-II:
Choose the correct answer from the options given below:
| List-I (Reaction) |
List-II (Reagents/ Condition) |
||
| A. |  |
I. |  |
| B. |  |
II. | \(\mathrm{CrO}_3\) |
| C. |  |
III. | \(\begin{aligned} & \mathrm{KMnO}_4 \\ & \mathrm{KOH}, \Delta \end{aligned}\) |
| D. |  |
IV. | \(\mathrm{(i) \mathrm{O}_3\\ (ii) \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}}\) |
| 1. | \(\text { A-III, B-I, C-II, D-IV }\) |
| 2. | \(\text { A-IV, B-I, C-II, D-III }\) |
| 3. | \(\text { A-I, B-IV, C-II, D-III }\) |
| 4. | \(\text { A-IV,B-I, C-III, D-II }\) |
Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
74%
Level 2: 60%+
NEET - 2024
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Which solution is part of Fehling solution 'A' (used in tests for reducing sugars and aldehydes)?
| 1. | Alkaline copper sulphate |
| 2. | Alkaline solution of sodium potassium tartrate (Rochelle's salt) |
| 3. | Aqueous sodium citrate |
| 4. | Aqueous copper sulphate |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
59%
Level 3: 35%-60%
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options give below:
| Statement I: | Benzoic acid produces effervescence on treatment with aq. \(\mathrm{NaHCO}_3\) |
| Statement II: | The effervescence is due to the release of hydrogen gas. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Carboxylic Acids: Preparation & Properties |
62%
Level 2: 60%+
NEET - 2024
Hints
Subtopic: Name Reaction |
Level 3: 35%-60%
NEET - 2024
Hints
Match the reagents in List-I with the corresponding reactions in List-II:
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
| List-I (Reagent) |
List-II (Name of the reaction) |
||
| A | \(\mathrm{{H}_2, {Pd}-{Ba}S {O}_4}\) | I | Gattermann-Koch reaction |
| B | \(\mathrm{{(i) \; {CrO}_2 {Cl}_2, {CS}_2\\ (ii) ~{H}_2 {O}/H^+}}\) | II | Reimer-Tiemann reaction |
| C | \(\mathrm{{CO, HCl, Anhyd.~\\ {AlCl}_3 / {CuCl}}}\) | III | Etard reaction |
| D | \(\mathrm{{CHCl}_3, {NaOH}}\) | IV | Rosenmund reduction |
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV
2. A-IV, B-III, C-I, D-II
3. A-I, B-III, C-IV, D-II
4. A-II, B-I, C-III, D-IV
Subtopic: Aldehydes & Ketones: Preparation & Properties |
92%
Level 1: 80%+
NEET - 2024
Hints
Subtopic: Aldehydes & Ketones: Preparation & Properties |
73%
Level 2: 60%+
NEET - 2024
Hints
Find out the weight (in g) of two moles of the organic compound, which is obtained by heating sodium ethanoate with sodium hydroxide in the presence of calcium oxide:
1. 18
2. 16
3. 32
4. 30
1. 18
2. 16
3. 32
4. 30
Subtopic: Carboxylic Acids: Preparation & Properties |
64%
Level 2: 60%+
NEET - 2023
Hints
Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
64%
Level 2: 60%+
NEET - 2023
Hints
Subtopic: Name Reaction |
76%
Level 2: 60%+
NEET - 2023
Hints
Subtopic: Name Reaction |
70%
Level 2: 60%+
NEET - 2023
Hints
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