| 1 |
Which catalyst is used in contact process. |
- A. Fe2O3
- B. V2O5
- C. SO3
- D. Ag2O
|
| 2 |
When concentrated H2SO4 and solid sodium chloride react together at room temperature the product are. |
- A. Two salts only
- B. A salt and a base
- C. A salt and an acid
- D. A salt and water
|
| 3 |
Which catalyst is used in contact process |
- A. Fe<sub>2</sub>O<sub>3</sub>
- B. V<sub>2</sub>O<sub>5</sub>
- C. SO<sub>3</sub>
- D. Ag<sub>2</sub>O
|
| 4 |
Which of the following specie has the maximum number of unpaired electrons. |
- A. O2
- B. O2+
- C. O2-
- D. O2<sup>-2</sup>
|
| 5 |
Out of all the elements of Group V-A the highest ionization energy is possessed by |
|
| 6 |
Which element does not have allotropic form |
- A. Nitrogen
- B. Phosphorous
- C. Arsenic
- D. Antimony
|
| 7 |
Which statement is incorrect about H2SO4 |
- A. Dehydration agent
- B. dibasic acid
- C. Oxidizing agent
- D. Reducing agent
|
| 8 |
The composition of oleum is. |
- A. H2SO4
- B. H2S2O3
- C. H2S2O7
- D. H2S3O7
|
| 9 |
Gold dissolves in "Aqua Regia" due to formation of Halide. Point out correct halide |
- A. AuF<sub>3</sub>
- B. AuCl<sub>3</sub>
- C. AuBr<sub>3</sub>
- D. AuI<sub>3</sub>
|
| 10 |
Lowest oxidation state of nitrogen is present in. |
- A. NH3
- B. NO2
- C. NO
- D. HNO3
|