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Q. No.Consider the following reactions,
\(H_3C−C≡C−H \xrightarrow{Hg^{2+}.H_2SO_4}\) A
Products A and B are respectively:
1.
;
2.
;
3.
; 
4.
;
; ; ; 
Subtopic: Aldehydes & Ketones: Preparation & Properties |
76%
Level 2: 60%+
Hints
The correct increasing order of reactivity in nucleophilic addition reaction for the following compounds is:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.
| 1. | Benzaldehyde < p-Nitrobenzaldehyde < Acetophenone < p-tolualdehyde |
| 2. | Acetophenone < p-tolualdehyde < Benzaldehyde < p-Nitrobenzaldehyde |
| 3. | Acetophenone < Benzaldehyde < p-Nitrobenzaldehyde < p-tolualdehyde |
| 4. | Acetophenone < p-Nitrobenzaldehyde < p-tolualdehyde < Benzaldehyde |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
83%
Level 1: 80%+
Hints
Subtopic: Isomers & Reaction Mechanism |
90%
Level 1: 80%+
Hints
Subtopic: Isomers & Reaction Mechanism |
78%
Level 2: 60%+
Hints
Subtopic: Isomers & Reaction Mechanism |
78%
Level 2: 60%+
Hints
Consider the following reaction,
A \(\xrightarrow[ii.\ H_{3}O^{+}]{i. \ KMnO_{4}/KOH}\) Benzoic acid
The reactant A is:
1. Acetophenone
2. Phenol
3. Tert-butylbenzene
4. None of the above
A \(\xrightarrow[ii.\ H_{3}O^{+}]{i. \ KMnO_{4}/KOH}\) Benzoic acid
The reactant A is:
1. Acetophenone
2. Phenol
3. Tert-butylbenzene
4. None of the above
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
51%
Level 3: 35%-60%
Hints
Consider the following reaction:
Bromobenzene \(\xrightarrow[dry \ ether]{Mg}\) A \(\xrightarrow[ii. \ H_{3}O^{+}]{i. \ CO_{2}}\) B
The name of compound B is:
Bromobenzene \(\xrightarrow[dry \ ether]{Mg}\) A \(\xrightarrow[ii. \ H_{3}O^{+}]{i. \ CO_{2}}\) B
The name of compound B is:
| 1. | Phenol | 2. | Benzaldehyde |
| 3. | Benzoic acid | 4. | None of these |
Subtopic: Carboxylic Acids: Preparation & Properties |
84%
Level 1: 80%+
Hints
Consider the following reaction,
A \(\xrightarrow[\Delta \ ii. \ H_{3}O^{+} ]{KMnO_{4}/KOH}\) Benzoic acid
The reactant A is:
A \(\xrightarrow[\Delta \ ii. \ H_{3}O^{+} ]{KMnO_{4}/KOH}\) Benzoic acid
The reactant A is:
| 1. | Phenylethene | 2. | Chlorobenzene |
| 3. | tert-Butylbenzene | 4. | None of these |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
70%
Level 2: 60%+
Hints
The incorrect order of acidity among the following is:
| 1. | CH3CO2H < CH2FCO2H |
| 2. | CH2FCO2H > CH2ClCO2H |
| 3. | CH2FCH2CH2CO2H < CH3CHFCH2CO2H |
| 4. |  |
Subtopic: Aldehydes & Ketones: Preparation & Properties |
87%
Level 1: 80%+
Hints
Consider the following reaction:
A \(\xrightarrow[ii.\ H_{3}O^{+}]{i. \ KMnO_{4}/KOH}\) Benzoic acid
A is:
1. Phenol
2. Ethylbenzene
3. Chlorobenzene
4. None of the above
Subtopic: Acid Derivatives - Preparation, Properties & Uses |
78%
Level 2: 60%+
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