Q. No.Given below are two statements:
Assertion (A):
Complexes of the types MX6 and MX5L (where X and L represent unidentate ligands) do not exhibit geometrical isomerism.
Reason (R):
Complexes with a coordination number of 6 do not display geometrical isomerism.
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.
| Assertion (A): | ion shows magnetic moment corresponding to two unpaired electrons. |
| Reason(R): | Because it has type hybridization. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
| 3. | (A) is True but the (R) is False. |
| 4. | (A) is False but the (R) is True. |
Given below are two statements:
| Assertion (A): | Linkage isomerism arises in coordination compounds containing ambidentate ligand. |
| Reason (R): | Ambidentate ligand has two different donor atoms. |
| 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. |
| Assertion (A): | and are reducing in nature. |
| Reason (R): | Unpaired electrons are present in their d-orbitals. |
| 1. | Both (A) and (R) are True and the (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
| 3. | (A) is true but the (R) is False. |
| 4. | (A) is False but (R) is True. |
| 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. |
Match the compounds (given in Column I) with the oxidation state of Cobalt (given in Column II) and assign the correct code.
|
Column I |
Column II |
||
| A. | \(\left[\mathrm{Co}(\mathrm{NCS})\left(\mathrm{NH}_3\right)_5\right]\left(\mathrm{SO}_3\right)\) | 1. | +4 |
| B. | \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right] \mathrm{SO}_4\) | 2. | +2 |
| C. | \(\mathrm{Na}_4\left[\mathrm{Co}\left(\mathrm{S}_2 \mathrm{O}_3\right)_3\right]\) | 3. | 0 |
| D. | \(\left[\mathrm{Co}_2(\mathrm{CO})_8\right]\) | 4. | +3 |
Codes:
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 4 | 2 |
| 3. | 1 | 4 | 3 | 2 |
| 4. | 4 | 1 | 2 | 3 |
Match the complex species given in Column I with the possible isomerism given in Column II and assign the correct code.
|
Column I (Complex species) |
Column II (Isomerism) |
|
A. |
1. Optical isomerism |
|
B. |
2. lonisation Isomerism |
|
C. |
3. Coordination Isomerism |
|
D. |
4. Geometrical Isomerism |
Codes:
A B C D
1. 2 3 4 1
2. 3 1 5 2
3. 5 4 3 2
4. 4 1 2 3
Match the complex ions given in Column I with the hybridization and number of unpaired electrons given in Column II and assign the correct code.
| Column l |
Column II (Hybridisation, number of unpaired electrons) |
|
A. |
1. dsp2, 1 |
|
B. |
2. sp3d2, 5 |
|
C. |
3. d2sp3, 3 |
|
D. |
4. sp3d2, 2 |
Codes:
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 4 | 2 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
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 |
Match the complex ions give in Column I with the colours given in column II and assign the correct code.
|
Column I (Complex ion) |
Column II (Colour) |
|
A. |
1. Violet |
|
B. |
2. Green |
|
C. |
3. Pale blue |
|
D. |
4. Yellowish orange |
Codes:
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 5 | 2 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 3 | 2 | 1 |
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