Q. No.IUPAC name of is:
1. hydrogen hexachloroplatinate (IV)
2. dihydrogen hexachloroplatinate (IV)
3. hydrogen hexachloroplatinic (IV) acid
4. hexachloroplatinic (IV) acid
| 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. |
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 |
Which of the following complexes is not expected to exhibit isomerism?
| 1. | [Ni(NH3)4(H2O)2]2+ | 2. | [Ni(NH3)2Cl2] |
| 3. | [Pt(NH3)2Cl2] | 4. | [Ni(en)3]2+ |
| 1. | Diamminedichloridoplatium (II) tetrabromidoplatinate (IV) |
| 2. | Diamminedichloridoplatinum (III) tetrabromidoplatinate (III) |
| 3. | Diamminedichloridoplatinum (IV) tetrabromidoplatinate (II) |
| 4. | Diamminedichloridoplatinum (IV) tetrabromidoplatinum (II) |
1. \([PtCl_4]^{2-}\)
2. \([Ni(CN)_4]^{2-}\)
3. \([Cu(NH_3)_4]^{2+}\)
4. None of the above.
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
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 |
1. \([Pt(NH_3)_2 Cl_2]\)
2. \([Zn(NH_3)_2 Cl_2]\)
3. \([Pt(NH_3)_3 Cl]\)
4. Both (1) and (2)
| 1. | Na2EDTA | : | Estimation of hardness of water |
| 2. | DMG(dimethylglyoxime) | : | Analysis of Ni2+ (aq) |
| 3. | [RhCl(PPh3)5] | : | Wilkinson's catalyst |
| 4. | EDTA | : | Used for the treatment of lead poisoning |
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