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Q. No.Which of the following molecules contains 1°, 2°, and 3° carbon atoms?
1. 2,3,4-Trimethylpentane
2. Chlorocyclohexane
3. 1,1-Dimethylcyclohexane
4. Methylcyclohexane
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
60%
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Consider the following sequence of reactions:
Select the correct option for the product:
Select the correct option for the product:
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
87%
From NCERT
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Select the correct statement:
| 1. | cis-But-2-ene has a higher boiling point than trans-But-2-ene. |
| 2. | cis-But-2-ene has a lower boiling point than trans-But-2-ene. |
| 3. | cis-But-2-ene has a lower dipole point than trans-But-2-ene. |
| 4. | cis-But-2-ene is non-polar. |
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
66%
From NCERT
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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. 5
2. 3
3. 6
4. 12
1. 5
2. 3
3. 6
4. 12
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
67%
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Given below are two statements:
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.
| Statement I: | The rate of reaction of alkanes with halogens in the presence of light is I2 > Br2 > Cl2 > F2 |
| Statement II: | Iodination of an alkane is carried out in the presence of oxidizing agents like HlO3 or HNO3 |
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: Alkanes, Alkenes and Alkynes - Chemical Properties |
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Given below are two statements:
| Assertion (A): | Alkenes and series of cycloalkanes of hydrocarbons have the same general formula. |
| Reason (R): | Either insertion of a double bond or formation of a ring reduces the number of hydrogen atoms of the corresponding alkane by 2. |
| 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. | Both (A) and (R) are false. |
Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |
79%
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Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
84%
From NCERT
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Match the bond line structures of hydrocarbons given in List I with the corresponding boiling points given in List II.
| List-I (Compound) | List II (Boiling point in K) | ||
| (a) |  |
(i) | 300.9 |
| (b) |  |
(ii) | 282.5 |
| (c) |  |
(iii) | 309.1 |
| (d) |  |
(iv) | 341.9 |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (iii) | (ii) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (iii) | (iv) | (i) | (ii) |
| 4. | (iv) | (i) | (ii) | (iii) |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
83%
From NCERT
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Compound X on reaction with \(O_3\) followed by \(\mathrm{Zn/ H_2O}\) gives formaldehyde and 2-methyl propanal as products. The compound X is :
1. Pent-2-ene
2. 3-Methylbut-1-ene
3. 2-Methylbut-1-ene
4. 2-Methylbut-2-ene
1. Pent-2-ene
2. 3-Methylbut-1-ene
3. 2-Methylbut-1-ene
4. 2-Methylbut-2-ene
Subtopic: Alkanes, Alkenes and Alkynes - Chemical Properties |
73%
From NCERT
NEET - 2022
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Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
75%
From NCERT
NEET - 2022
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