Q. No.The E° value for the Mn3+/Mn2+ couple is more positive than that of Cr3+/Cr2+ or Fe3+/Fe2+ due to change of
1. d5 to d2 configuration
2. d4 to d5 configuration
3. d3 to d5 configuration
4. d5 to d4 configuration
1. d5 to d2 configuration
2. d4 to d5 configuration
3. d3 to d5 configuration
4. d5 to d4 configuration
Subtopic: d-Block Elements- Properties & Uses |
70%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
'Spin only' magnetic moment is same for which of the following ions?
A. Ti3+
B. Cr2+
C. Mn2+
D. Fe2+
E. Sc3+
Choose the most appropriate answer from the options given below:
1. A and E only
2. B and C only
3. A and D only
4. B and D only
A. Ti3+
B. Cr2+
C. Mn2+
D. Fe2+
E. Sc3+
Choose the most appropriate answer from the options given below:
1. A and E only
2. B and C only
3. A and D only
4. B and D only
Subtopic: d-Block Elements- Properties & Uses |
68%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
Match List-I with List-II
Choose the correct answer from the options given below:
1. A-II, B-IV, C-I, D-III
2. A-IV, B-II, C-I, D-III
3. A-II, B-I, C-IV, D-III
4. A-I, B-IV, C-II, D-III
| List-I (Element) |
List-II (Most Common oxidation state/s) |
||
| A. | \(\mathrm{Fe}\) | I. | +2, +7 |
| B. | V | II. | +3, +2 |
| C. | \(\mathrm{Mn}\) | III. | +4 |
| D. | \(\mathrm{Ti}\) | IV. | +5 |
1. A-II, B-IV, C-I, D-III
2. A-IV, B-II, C-I, D-III
3. A-II, B-I, C-IV, D-III
4. A-I, B-IV, C-II, D-III
Subtopic: d-Block Elements- Properties & Uses |
72%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
The stability of Cu2+ is greater than that of Cu+ salts in an aqueous solution due to:
1. Second ionisation enthalpy
2. First ionisation enthalpy
3. Enthalpy of atomization
4. Hydration energy
1. Second ionisation enthalpy
2. First ionisation enthalpy
3. Enthalpy of atomization
4. Hydration energy
Subtopic: d-Block Elements- Properties & Uses |
70%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following statements is INCORRECT?
Choose the correct answer from the options given below:
| A. | All the transition metals except scandium form MO oxides which are ionic. |
| B. | The highest oxidation number corresponding to the group number on transition metal oxides is attained in Sc2O3 to Mn2O7. |
| C. | Basic character increases from V2O3 to V2O4 to V2O5. |
| D. | V2O4 dissolves in acids to give VO43-. |
| E. | CrO is basic but Cr2O3 is amphoteric. |
| 1. | B and C only | 2. | A and E only |
| 3. | B and D only | 4. | C and D only |
Subtopic: d-Block Elements- Properties & Uses |
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion (A): | Ionization enthalpy increases along each series of transition elements from left to right. However, small variations occur. |
| Reason (R): | There is a corresponding increase in nuclear charge which accompanies the filling of electrons in the inner d-orbitals. |
| 1. | (A) is correct but (R) is not correct |
| 2. | (A) is not correct but (R) is correct |
| 3. | Both (A) and (R) are correct and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are correct but (R) is not the correct explanation of (A) |
Subtopic: d-Block Elements- Properties & Uses |
69%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
In the neutral or faintly alkaline medium, \(KMnO_4 \) oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from:
| 1. | +6 to +5 | 2. | +7 to +4 |
| 3. | +6 to +4 | 4. | +7 to +3 |
Subtopic: d-Block Elements- Properties & Uses |
73%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Match the statements given in List-I with the corresponding element given in List-II:
| List-I | List-II | ||
| (a) | Element that exhibits +3 oxidation state only. | (i) | Mn |
| (b) | An element that exhibits more number of oxidation states. | (ii) | Zn |
| (c) | Element which is a reducing agent in its +2 oxidation state. | (iii) | Sc |
| (d) | An element that is not considered as a transition element. | (iv) | Cr |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (ii) | (iv) | (iii) | (i) |
| 4. | (iii) | (i) | (iv) | (ii) |
Subtopic: d-Block Elements- Properties & Uses |
81%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Identify the pair of Lanthanoides with one strong oxidant and one strong reductant:
| 1. | Ce(IV), Tb(IV) | 2. | Yb(II), Eu(II) |
| 3. | Eu(IV), Lu(III) | 4. | Ce(IV), Eu(II) |
Subtopic: d-Block Elements- Properties & Uses |
67%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
| I: | Cr2+ is oxidising and Mn3+ is reducing in nature. |
| II: | Sc3+ compounds are repelled by the applied magnetic field. |
| 1. | Both I and II are correct. |
| 2. | Both I and II are incorrect. |
| 3. | I is correct but II is incorrect. |
| 4. | I is incorrect but II is correct. |
Subtopic: d-Block Elements- Properties & Uses |
50%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
© 2024 GoodEd Technologies Pvt. Ltd.