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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
84%
Level 1: 80%+
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52%
Level 3: 35%-60%
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Identify the intermediate [A] in the following reaction:\((C_6H_5COO)_2\xrightarrow{~~~\Delta~~~}A\longrightarrow 2\dot{C}_6H_5+2CO_2 \)
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| 4. | \(\mathrm{C}_6 \mathrm{H}_5-\dot{\mathrm{C}}=\mathrm{O}\) |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
Level 3: 35%-60%
JEE
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Which among the following pairs of structures will give different products on ozonolysis?
(Consider that the double bonds in the structures are rigid and not delocalized)
(Consider that the double bonds in the structures are rigid and not delocalized)
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties | Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
77%
Level 2: 60%+
JEE
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
85%
Level 1: 80%+
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In the presence of sunlight, benzene reacts with \(Cl_2\) to give product 'X'. The number of hydrogens in 'X' is:
1. Five (5)
2. Three (3)
3. Six (6)
4. Twelve (12)
1. Five (5)
2. Three (3)
3. Six (6)
4. Twelve (12)
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
70%
Level 2: 60%+
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
80%
Level 1: 80%+
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Which of the following compounds will predominantly yield a meta-substituted product with respect to the methyl group upon halogenation?
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4. |  |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
Level 3: 35%-60%
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
71%
Level 2: 60%+
JEE
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Given below are two statements:
| Statement I: | Alkene has weak \(\pi\) bond, therefore less stable than alkane. |
| Statement II: | Weak \(\pi\) bond is less strong than the carbon-carbon sigma bond. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Statement I is incorrect and Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
Level 4: Below 35%
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