Q. No.Which of the following statements are correct?
a.
All the three N – O bond lengths in HNO3 are equal.
b.
All P – Cl bond lengths in PCl5 molecule in the gaseous state are equal.
c.
P4 molecule in white phosphorus have angular strain therefore white phosphorus is very reactive.
d.
PCl5 is ionic in a solid-state in which cation is tetrahedral and the anion is octahedral.
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Which of the following orders are correct as per the properties mentioned against each?
| Column I | Column II | ||
| (a) | As2O3 < SiO2 < P2O3 < SO2 | (i) | Acid strength. |
| (b) | AsH3 < PH3 < NH3 | (ii) | Enthalpy of vaporisation. |
| (c) | S < O < Cl < F | (iii) | More negative electron gain enthalpy. |
| (d) | H2O > H2S > H2Se > H2Te | (iv) | Thermal stability. |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Which of the following statements are correct?
| a. | S — S bond is present in H2S2O6 |
| b. | In peroxosulphuric acid (H2SO5) sulphur is in +6 oxidation state |
| c. | Iron powder along with Al2O3 and K2O is used as a catalyst in the preparation of NH3 by Haber's process |
| d. | Change in enthalpy is positive for the preparation of SO3 by catalytic oxidation of SO2 |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Which of the following statements is/are true?
| a. | Only types of interactions between particles of noble gases are due to weak dispersion forces. |
| b. | The ionization enthalpy of molecular oxygen is very close to that of xenon. |
| c. | Hydrolysis of XeF6 is a redox reaction. |
| d. | Xenon fluorides are not reactive. |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Match the compounds given in Column I with the hybridisation and shape given in Column II and mark the correct option.
| Column I | Column II | ||
| A | XeF6 | 1. | sp3d3 distorted octahedral |
| B. | XeO3 | 2. | sp3d2 square planar |
| C. | XeOF4 | 3. | sp3 pyramidal |
| D. | XeF4 | 4. | sp3d2 square pyramidal |
Codes:
| Options: | A | B | C | D |
| 1. | 1 | 3 | 4 | 2 |
| 2. | 1 | 2 | 4 | 3 |
| 3. | 4 | 3 | 1 | 2 |
| 4. | 4 | 1 | 2 | 3 |
Match the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option:
| Column I | Column II | ||
| A. | Pb3O4 | 1. | Neutral oxide |
| B. | N2O | 2. | Acidic oxide |
| C. | Mn2O7 | 3. | Basic oxide |
| D. | Bi2O3 | 4. | Mixed oxide |
Codes:
| Options: | A | B | C | D |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 4 | 1 | 2 | 3 |
| 3. | 3 | 2 | 4 | 1 |
| 4. | 4 | 3 | 1 | 2 |
Match the items in Columns I and II and mark the correct option.
| Column I | Column II |
| A. H2SO4 | 1. Highest electron affinity |
| B. CCl3NO2 | 2. Chalcogen |
| C. Cl2 | 3. Tear gas |
| D. Sulphur | 4. Storage batteries |
Codes:
| A | B | C | D | |
| 1. | 4 | 3 | 1 | 2 |
| 2. | 3 | 4 | 1 | 2 |
| 3. | 4 | 1 | 2 | 3 |
| 4. | 2 | 1 | 3 | 4 |
Match the species given in Column I with the shape given in Column II and mark the correct option:
| Column I (Species) | Column II (Shape) | ||
| A. | \(\mathrm{SF}_4\) | (I) | Tetrahedral |
| B. | \(\mathrm{BrF}_3\) | (II) | Pyramidal |
| C. | \(\mathrm{BrO}_3^{-}\) | (III) | Sea-saw shaped |
| D. | \(\mathrm{NH}_4^{+}\) | (IV) | Bent T-shaped |
Codes:
| A | B | C | D | |
| 1. | III | II | I | IV |
| 2. | III | IV | II | I |
| 3. | I | II | III | IV |
| 4. | I | IV | III | II |
Match the species given in Column I with the shape given in Column II and mark the correct option.
| Column I | Column II | ||
| A. | Its partial hydrolysis does not change the oxidation state of the central atom. | 1. | He |
| B. | It is used in modern diving apparatus. | 2. | XeF6 |
| C. | It is used to provide an inert atmosphere for filling electrical bulbs. | 3. | XeF4 |
| D. | Its central atom is in sp3d2 hybridisation. | 4. | Ar |
Codes:
| Options: | A | B | C | D |
| 1. | 1 | 4 | 2 | 3 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 2 | 1 | 4 | 3 |
| 4. | 1 | 3 | 2 | 4 |
Given below are two statements:
| Assertion (A): | N2 is less reactive than P4. |
| Reason (R): | Nitrogen has more electron gain enthalpy than phosphorus. |
| 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. |
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