- 1(current)
Q. No.Which of the following options are correct for is:
a. hybridisation
b. hybridisation
c. Paramagnetic
d. Diamagnetic
Choose the correct option:
| 1. | (a, b) | 2. | (b, c) |
| 3. | (c, d) | 4. | (a, c) |
Subtopic: Â Organometallic Complexes & their Uses |
 88%
Level 1: 80%+
Hints
Match the coordination given in Column-I with the central metal atoms given in Column-II and assign the correct code.
|
Column-I (Coordination compound) |
Column-II (Central metal atom) |
||
| A. | Chlorophyll | (i) | Rhodium |
| B. | Blood pigment | (ii) | Cobalt |
| C. | Wilkinson's catalyst | (iii) | Magnesium |
| D. | Vitamin B12 | (iv) | Iron |
Codes:
| A | B | C | D | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iv) | (i) | (iii) | (ii) |
Subtopic: Â Organometallic Complexes & their Uses |
 95%
Level 1: 80%+
Hints
| Assertion (A): | Toxic metal ions are removed by the chelating ligands. |
| Reason (R): | Chelate complexes tend to be more stable. |
| 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. |
Subtopic: Â Organometallic Complexes & their Uses |
 67%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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