Q. No.A compound among the following has both fac-mer and optical isomers is:
1. [Co(NH3)5(NO3)]
2. [Co(en)3]3−
3. [Co(gly)3]
4. None of the above
4. None of the above
Which of the following statements regarding the complex ion [Mn(CN)6]3- is correct?.
1. It is sp3d2 hybridised and octahedral.
2. It is d2sp3 hybridised and octahedral.
3. It is sp3d2 hybridised and tetrahedral.
4. It is dsp2 hybridised and square planar.
Which of the following is correct IUPAC name of any complex compound.
(A) Tris (acetyl acetonato) iron (III) chloride
(B) Hexachloroplatinum (IV) tetraammine dicyano platinate (IV)
(C) Ammine bromochloro methylamine platinum (II)
(D) Cis dichloro (ethylenediamine) platinum (II)
What are the geometries of \([Ni(CO)_4]\) and \([Ni(PPh_3)_2Cl_2]\) respectively?
1. Both square planar.
2. Tetrahedral and square planar, respectively.
3. Both tetrahedral.
4. Square planar and tetrahedral, respectively.
For the complexes [Co(NH3)6]Cl3 and [Co(NH3)6]Cl2, identify the correct matching property from the given options.
| \([Co(NH_3)_6]Cl_3\) | \([Co(NH_3)_6]Cl_2\) | |||
| 1. | Stability | → | less | more |
| 2. | Magnetism | → | Paramagnetic | Diamagnetic |
| 3. | Hybridization | → | \(sp^3d^2\) | \(d^2sp^3\) |
| 4. | Complex | → | Inner orbital | Outer orbital |
Given the following pair of isomers:
[Cr(NH3)6][Cr(NO2)6] and
[Cr(NH3)4(NO2)2][Cr(NH3)2(NO2)4]
Aside from X-ray diffraction, how could the following pairs of isomers be distinguished from one another?
1. Cryoscopic method
2. Measuring their molar conductance
3. Measuring their magnetic moments
4. Observing their colors
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 |
| 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 (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. |
IUPAC name of is:
1. hydrogen hexachloroplatinate (IV)
2. dihydrogen hexachloroplatinate (IV)
3. hydrogen hexachloroplatinic (IV) acid
4. hexachloroplatinic (IV) acid
© 2025 GoodEd Technologies Pvt. Ltd.