Given below are two statements :
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False.
2. Statement I is True and Statement II is False.
3. Statement I is False but Statement II is True.
4. Both Statement I and Statement II are True.
| Statement I : | Both \(\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}\) and \(\left[\text{CoF}_6\right]^{3-}\) Complexes are octahedral but differ in their magnetic behaviour. |
| Statement II : | \(\left[\text{Co}\left(\text{NH}_3\right)_6\right]^{3+}\) is diamagnetic whereas \(\left[\text{CoF}_6\right]^{3-}\) is paramagnetic. |
1. Both Statement I and Statement II are False.
2. Statement I is True and Statement II is False.
3. Statement I is False but Statement II is True.
4. Both Statement I and Statement II are True.
Subtopic: VBT, CFT & their Limitations |
74%
Level 2: 60%+
NEET - 2024
Hints
If 1 gram of sodium hydroxide was treated with 25 mL of 0.75 M HCl solution, the mass of sodium hydroxide left unreacted is equal to:
1. 250 mg
2. Zero mg
3. 200 mg
4. 750 mg
1. 250 mg
2. Zero mg
3. 200 mg
4. 750 mg
Subtopic: Millimole/Equivalent Concept |
54%
Level 3: 35%-60%
NEET - 2024
Hints
Given below are two statements :
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are false.
2. Statement I is true and Statement II is false
3. Statement I is false but Statement II is true.
4. Both Statement I and Statement II are true.
| Statement I: | The boiling point of hydrides of Group 16 elements follow the order \(\text{H}_2 \text{O}>\text{H}_2 \text{Te}>\text{H}_2 \text{Se}>\text{H}_2 \text{S} .\) |
| Statement II: | On the basis of molecular mass, H2O is expected to have lower boiling point than the other members of the group but due to the presence of extensive H-bonding in H2O, it has higher boiling point. |
1. Both Statement I and Statement II are false.
2. Statement I is true and Statement II is false
3. Statement I is false but Statement II is true.
4. Both Statement I and Statement II are true.
Subtopic: Group 16 - Preparation, Properties & Uses |
71%
Level 2: 60%+
NEET - 2024
Hints
Arrange the elements Li, Be, B, C, and N in increasing order of their first ionization enthalpies:
| 1. | Li < B < Be < C < N | 2. | Li < Be < C < B < N |
| 3. | Li < Be < N < B < C | 4. | Li < Be < B < C < N |
Subtopic: Ionization Energy (IE) |
74%
Level 2: 60%+
NEET - 2024
Hints
Activation energy of any chemical reaction can be calculated if one knows the value of:
| 1. | Probability of collision. |
| 2. | Orientation of reactant molecules during collision. |
| 3. | Rate constant at two different temperatures. |
| 4. | Rate constant at standard temperature. |
Subtopic: Arrhenius Equation |
69%
Level 2: 60%+
NEET - 2024
Hints
Which of the following arrangements is correct for increasing order of electronegativity?
| 1. | Si < C < O < N < F | 2. | O < F < N < C < Si |
| 3. | F < O < N < C < Si | 4. | Si < C < N < O < F |
Subtopic: Electronegativity |
77%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I Quantum Number |
List-II Information provided |
||
| A. | ml | I. | Shape of the orbital |
| B. | ms | II. | Size of the orbital |
| C. | l | III. | Orientation of the orbital |
| D. | n | IV. | Orientation of spin of the electron |
| 1. | A-III, B-IV, C-I, D-II | 2. | A-III, B-IV, C-II, D-I |
| 3. | A-II, B-I, C-IV, D-III | 4. | A-I, B-III, C-II, D-IV |
Subtopic: Quantum Numbers & Schrodinger Wave Equation |
73%
Level 2: 60%+
NEET - 2024
Hints
Which plot of In k vs \(\frac{\text{I}}{\text{T}}\) is consistent with Arrhenius equation?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Arrhenius Equation |
69%
Level 2: 60%+
NEET - 2024
Hints
Work done during reversible isothermal expansion of one mole of hydrogen gas at 25°C from a pressure of 20 atmospheres to a pressure of 10 atmospheres is:
(Given: R = 2.0 cal K–1 mol–1)
(Given: R = 2.0 cal K–1 mol–1)
| 1. | –413.14 calories | 2. | 413.14 calories |
| 3. | 100 calories | 4. | 0 calorie |
Subtopic: First Law of Thermodynamics |
70%
Level 2: 60%+
NEET - 2024
Hints
Which one of the following statements is correct?
| 1. | BF3 has non-zero dipole moment. |
| 2. | The dipole moment of NF3 is greater than that of NH3. |
| 3. | Three canonical forms can be drawn for \(\text{CO}_3^{2-}\) ion. |
| 4. | Three resonance structures can be drawn for ozone. |
Subtopic: Polarity | Resonance & Nature of Compounds |
58%
Level 3: 35%-60%
NEET - 2024
Hints
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