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Q. No.| Statement I: | \(HCOOH\) is more acidic than \(C_6H_5COOH.\) |
| Statement II: | \(CH_3COOH\) is less acidic than \(C_6H_5COOH.\) |
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Statement I is incorrect and Statement II is incorrect. |
| 3. | Statement I is correct and Statement II is correct. |
| 4. | Statement I is incorrect and Statement II is correct. |
Subtopic: Acidic & Basic Character |
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| Assertion (A): | To detect presence of halogens in an organic compound, some dilute nitric acid is added. |
| Reason (R): | Dilute HNO3 destroys Na2S and NaCN by oxidation |
| 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: Qualitative Analysis of Organic Compounds |
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| Assertion (A): | Both C6H14 and C5H12 can exhibit chain isomerism. |
| Reason(R): |
Both C6H14 and C5H12 form three chain isomers each. |
| 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. | (A) is False but (R) is True. |
Subtopic: Structural Isomers |
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Given below are two statements:
| Assertion (A): | Components of a mixture of red and blue inks can be separated by distributing the components between stationary and mobile phases in paper chromatography. |
| Reason (R): | The colored components of inks migrate at different rates because paper selectively retains different components according to the difference in their partition between the two phases. |
| 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. | (A) is False but (R) is True. |
Subtopic: Purification of Organic Compounds |
85%
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Given below are two statements:
| Assertion (A): | Sulphur present in an organic compound can be estimated quantitatively by the Carius method. |
| Reason (R): | Sulphur is separated easily from other atoms in the molecule and gets precipitated as a light yellow solid. |
| 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. | (A) is False but (R) is True. |
Subtopic: Quantitative Analysis of Organic Compounds |
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Given below are two statements:
| Assertion (A): | All the carbon atoms in H2C = C = CH2 are sp2-hybridised. |
| Reason (R): | In this molecule, all the carbon atoms are attached to each other by double bonds. |
| 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. | (A) is False but (R) is True. |
Subtopic: Hybridisation & Structure of Carbon Compounds |
69%
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Given below are two statements:
| Assertion (A): | Pent-1-ene and pent-2-ene are position isomers. |
| Reason (R): | Position isomers differ in the position of a functional group or a substituent. |
| 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. | (A) is False but (R) is True. |
Subtopic: Structural Isomers |
87%
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Given below are two statements:
| Assertion (A): | Energy of resonance hybrid is equal to the average of energies of all canonical forms. |
| Reason (R): | Resonance hybrid cannot be presented by a single structure. |
| 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. | (A) is False but (R) is True. |
Subtopic: Aromaticity & Polarity |
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Given below are two statements:
| Assertion (A): | Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C ) and propanone (boiling point 56°C ). |
| Reason (R): | Liquids with a difference of more than 20°C in their boiling points can be separated by simple distillation. |
| 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. | (A) is False but (R) is True. |
Subtopic: Qualitative Analysis of Organic Compounds |
85%
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| Assertion (A): | CCl4 doesn't give precipitate of AgCl on heating with AgNO3. |
| Reason (R): | CCl4 is a non-polar molecule. |
| 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: Qualitative Analysis of Organic Compounds |
71%
From NCERT
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