Q. No.Match the name of process given in Column-I with the name of compound given in Column-II and mark the correct option.
Column-I
Column-II
(a)
Pure nitrogen
(i)
Chlorine
(b)
Haber process
(ii)
Sulphuric acid
(c)
Contact process
(iii)
Ammonia
(d)
Deacon's process
(iv)
Sodium azide or Barium azide
(a)
(b)
(c)
(d)
1.
(iv)
(iii)
(ii)
(i)
2.
(i)
(ii)
(iii)
(iv)
3.
(ii)
(iv)
(i)
(iii)
4.
(iii)
(iv)
(ii)
(i)
Which of the following statements about PCl₅ is incorrect?
| 1. | PCl5 molecule is non-reactive. |
| 2. | Three equatorial P-Cl bonds make an angle of 120° with each other. |
| 3. | Two axial P-Cl bonds make an angle of 180° with each other. |
| 4. | Axial P-Cl bonds are longer than equatorial P-Cl bonds. |
The acidity of diprotic acids in aqueous solution increases in the order:
1. H2S < H2Se < H2Te
2. H2Se < H2S < H2Te
3. H2Te < H2S < H2Se
4. H2Se < H2Te < H2S
Which of the following correctly explains the strong reducing nature of H₃PO₂?
1. Presence of one -OH group and two P-H bonds.
2. High electron gain enthalpy of phosphorus.
3. High oxidation state of phosphorus.
4. Presence of two -OH groups and one P-H bond.
| Column-I | Column-II | ||
| (A) | XX’ | (i) | T-shape |
| (B) | XX’3 | (ii) | Pentagonal bipyramidal |
| (C) | XX’5 | (iii) | Linear |
| (D) | XX’7 | (iv) | Square Pyramidal |
| (A) | (B) | (C) | (D) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
Which of the following diseases has radon been used in the treatment of?
| 1. | Typhoid | 2. | Cancer |
| 3. | Cough and cold | 4. | Corona |
Which of the following gases is commonly used in a gas thermometer?
| 1. | \(\mathrm{He} \) | 2. | \(\mathrm{O}_2 \) |
| 3. | \(\mathrm{Xe} \) | 4. | \(\mathrm{Ne}\) |
Which of the following liquids has the ability to climb the glass vessel's wall?
1. Alcohol
2. Liquid He
3. Liquid
4. Water
Which of the following correctly describes SF₄, CF₄ and XeF₄ in terms of molecular shape and lone-pair number?
| 1. | The same with 2, 0 and 1 lone pairs of electrons on the central atoms, respectively |
| 2. | The same with 1, 1 and 1 lone pairs of electrons on the central atoms, respectively |
| 3. | Different with 0, 1 and 2 lone pairs of electrons on the central atoms, respectively |
| 4. | Different with 1, 0 and 2 lone pairs of electrons on the central atoms, respectively |
What order does the stability of interhalogen compounds follow?
1. IF3 > BrF3 > CIF3
2. BrF3 > IF3 > ClF3
3. ClF3 > BrF3 > IF3
4. ClF3 > IF3 > BrF3
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