- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | To detect the 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 |
Level 4: Below 35%
Hints
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%
Level 1: 80%+
Hints
| 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 |
72%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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