Which of the follwing 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)
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 | 1. Rhodium |
B. Blood pigment | 2. Cobalt |
C. Wilkinson's catalyst | 3. Magnesium |
D. Vitamin B12 | 4. Iron |
Codes
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 4 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
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. |