1. | \(4.77~ \mathring{A}\) | 2. | \(0.53~ \mathring{A}\) |
3. | \(1.06~ \mathring{A}\) | 4. | \(1.59~ \mathring{A}\) |
1. | \((3\times 10^{-1})^\circ \text{C}^{-1}\) | 2. | \((3 \times 10^{-4})^\circ \text{C}^{-1}\) |
3. | \((3 \times 10^{-3})^\circ \text{C}^{-1}\) | 4. | \((3 \times 10^{-2})^\circ \text{C}^{-1}\) |
1. | \(50\) ms-2 | 2. | \(1.2\) ms-2 |
3. | \(150\) ms-2 | 4. | \(1.5\) ms-2 |
1. |
|
|||||||||||||||
2. |
|
|||||||||||||||
3. |
|
|||||||||||||||
4. |
|
1. | 1.32 g | 2. | 1.12 g |
3. | 1.76 g | 4. | 2.64 g |
1. | Veronal | 2. | Chlordiazepoxide |
3. | Meprobamate | 4. | Valium |
Assertion (A): | Helium is used to dilute oxygen in the diving apparatus. |
Reason (R): | Helium has a high solubility in O2. |
1. | (A) is False but (R) is True. |
2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
3. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
4. | (A) is True but (R) is False. |
Assertion (A): | Metallic sodium dissolves in liquid ammonia giving a deep blue solution, which is paramagnetic. |
Reason (R): | The deep blue solution is due to the formation of amide. |
1. | (A) is false but (R) is true. |
2. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
3. | Both (A) and (R) are true and R is NOT the correct explanation of (A). |
4. | (A) is true but (R) is false. |