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)
An aqueous pink solution of cobalt(II) chloride changes to deep blue on the addition of excess of HCl. This is because:
| a. | \([Co(H_2O)_6]^{2+}\) is transformed into \([CoCl_6]^{4-}\) |
| b. | \([Co(H_2O)_6]^{2+}\) is transformed into \([CoCl_4]^{2-}\) |
| c. | Tetrahedral complexes have smaller crystal field splitting than octahedral complexes |
| d. | Tetrahedral complexes have larger crystal field splitting than octahedral complexes |
Choose the correct option:
1. a and b
2. b and c
3. c and d
4. a and c
Which of the following complex is/are homoleptic:
| a. | \( {\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}} \) | b. | \( {\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right]^{2+}} \) |
| c. | \( {\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}\) | d. | \(\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]\) |
Choose the correct option.
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
Which of the following complexes is/are heteroleptic?
| (a) | \(\mathrm{[Co(NH}_{3})_6{ }]^{3+}\) | (b) | \(\mathrm[{Fe}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2]^{+}\) |
| (c) | \(\operatorname[{Mn}(\mathrm{CN})_6]^{4-}\) | (d) | \([\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2]\) |
| 1. | (a, b) | 2. | (b, c) |
| 3. | (c, d) | 4. | (b, d) |
Identify the correct statements for the behaviour of ethane -1, 2- diamine as a ligand.
(a) It is a neutral ligand
(b) It is a didentate ligand
(c) It is a chelating ligand
(d) It is a unidentate ligand
Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)
Which of the following complexes show linkage isomerism?
(a)
(b)
(c)
(d)
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
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 |
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) |
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 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
© 2025 GoodEd Technologies Pvt. Ltd.