Which of the following statement is NOT true about acid rain?
| 1. | It is due to the reaction of SO2, NO2, and CO2 with rainwater |
| 2. | Causes no damage to monuments like the Taj Mahal. |
| 3. | It is harmful to plants. |
| 4. | Its pH is less than 5.6 |
The incorrect oxidation number of the underlined atom in the following species is:
| 1. | Cu2O is -1 | 2. | Cl\(O_{3}^{-}\) is +5 |
| 3. | K2Cr2O7 is +6 | 4. | HAuCl4 is +3 |
| 1. | Ethylamine | 2. | Methylamine |
| 3. | Propylamine | 4. | Aniline |
A liquid compound (x) can be purified by steam distillation only if it is:
1. Steam volatile, immiscible with water
2. Not steam volatile, miscible with water
3. Steam volatile, miscible with water
4. Not steam volatile, immiscible with water
The most reactive compound among the following for electrophilic aromatic substitution is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Which of the following is not true about chloramphenicol?
| 1. | It inhibits the growth of only gram-positive bacteria. |
| 2. | It is a broad-spectrum antibiotic. |
| 3. | It is not bactericidal. |
| 4. | It is bacteriostatic. |
The correct statement regarding Bakelite is :
1. It is a cross linked polymer.
2. It is an additional polymer.
3. It is a branched chain polymer.
4. It is a linear polymer.
If for a certain reaction is 30 kJ mol–1 at 450 K, the value of (in JK–1 mol–1) for which the same reaction will be spontaneous at the same temperature is:
| 1. | 70 | 2. | –33 |
| 3. | 33 | 4. | –70 |
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