Q. No.The correct representation of tetrahydroxidozincate (II) is:
1. \([Zn(OH)_4]^{2-}\)
2. \([Zn(OH)_4]^{-}\)
3. \([Zn(OH)_4]^{3-}\)
4. \([Zn(OH)_4]\)
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The complex that is used as an anticancer agent is:
1. mer-[Co(NH3)3Cl3
2. cis-[PtCl2(NH3)2]
3. cis-K2[PtCl2 Br2]
4. Na2CoCl4
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A solution of [Ni(H2O)6]2+ is green, but a solution of [Ni(CN)4]2– is colorless because:
| 1. | There are paired electrons in [Ni(H2O)6]2+ while all electrons are unpaired in [Ni(CN)4]2– |
| 2. | There are unpaired electrons in [Ni(H2O)6]2+ while all electrons are paired in [Ni(CN)4]2– |
| 3. | There are unpaired electrons in [Ni(H2O)6]2+ and [Ni(CN)4]2– |
| 4. | None of the above. |
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If 1/3rd of the total chlorine of the compound is precipitated by adding AgNO3 to its aqueous solution, then the most likely structure of CrCl3.6H2O among the following is:
| 1. | CrCl3.6H2O | 2. | [Cr(H2O)3Cl3](H2O)3 |
| 3. | [CrCl2(H2O)4]Cl.2H2O | 4. | [CrCl.(H2O)5]Cl2.H2O |
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IUPAC name of [Pt(NH3)3(Br)(NO2)Cl]Cl is:
| 1. | Triamminebromidochloridonitroplatinum(IV)Chloride |
| 2. | Triamminebromonitrocholoroplatinum(IV)Chloride |
| 3. | Triamminechlorobromonitroplatinum(IV)Chloride |
| 4. | Triamminenitrochlorobromoplatinum(IV)Chloride |
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Cobalt(III) chloride forms several octahedral complexes with ammonia.
A compound among the following that does not give a test for chloride ions with silver nitrate at 25 °C is:
| 1. | CoCl3. 3NH3 | 2. | CoCl3. 4NH3 |
| 3. | CoCl3. 5NH3 | 4. | CoCl3. 6NH3 |
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| 1. | Diamminechlorido(methylamine)platinum(II)chloride |
| 2. | Diamminechloro(aminomethyl)platinum(II)chlorido |
| 3. | Chlorodiammine(methylamine)platinate(II)chloride |
| 4. | Chlorido(methylamine)diammineplatinum(II)chloride |
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The hypothetical complex
chlorodiaquatriamminecobalt(III) chloride can be
represented as:
1.
2.
3.
4.
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The IUPAC name of [\(\mathrm {C r \left(en\right)_{3}}\)]\(\mathrm{C l}_{3}\) is:
| 1. | Triethylenediaminechromium (III) chloride |
| 2. | Tris(ethylenediammine)chromium (II) chloride |
| 3. | Tris(ethylenediamine)chromium (III) chloride |
| 4. | Tris(ethylenediammine)chromium (II) chloride |
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