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प्रश्न
Arrange the following complexes in the increasing order of conductivity of their solution:
[Co(NH3)3Cl3], [Co(NH3)4Cl2]Cl, [Co(NH3)6]Cl3, [Cr(NH3)5Cl]Cl2
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उत्तर
[Co(NH3)3Cl3] < [Co(NH3)4Cl2]Cl < [Cr(NH3)5Cl]Cl2 < [Co(NH3)6]Cl3
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संबंधित प्रश्न
Classify the following ligands into monodentate and polydentate —
- Ammonia
- Carbon monoxide
- Ethylene diamine
- Ethylene diamine tetra acetate ion
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
(NH4)2[CoF4]
Predict the co-ordination No. of cs+ ion if `r_(Cs)^+` = 1.69Å and `r_(Cl)^-` = 1.81Å.
Write IUPAC names of the following compounds
Write the structures of compounds A, B and C in the following reactions
Write the IUPAC name of the following coordination compound:
[Cr(NH3)4(H2O)2]Cl3
Which of the following complexes are homoleptic?
(i) \[\ce{[Co(NH3)6]^{3+}}\]
(ii) \[\ce{[Co(NH3)4 Cl2]^{+}}\]
(iii) \[\ce{[Ni(CN)4]^{2-}}\]
(iv) \[\ce{[Ni(NH3)4Cl2]}\]
A coordination compound \[\ce{CrCl3.4H2O}\] precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write structural formula of the compound and name it.
Match the coordination compounds 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 catalyst | 3. calcium |
| D. Vitamin B12 | 4. iron |
| 5. magnesium |
Assertion: \[\ce{Cr(H2O)6]Cl2 and [Fe(H2O)6]Cl2}\] are reducing in nature.
Reason: Unpaired electrons are present in their d-orbitals.
The oxidation state of Fe in the brown ring complex [F3(H2O)5NO]SO4 is
The co-ordinate number and the oxidation state of the element E in the complex [E(en)2(C2O4)]NO2 are respectively?
The oxidation number d-arbitral occupation and co-ordination number of Cr in the complex cis [Cr(en)2Cl2]Cl are respectively.
What are Homoleptic complexes?
The equivalents of ethylene diamine required to replace the neutral ligands from the coordination sphere of the trans-complex of CoCl3.4NH3 is ______. (Round off to the Nearest Integer).
Total sodium ions which are present in one formula unit of sodium ethane-1, 2-diaminetetraacetatochromate (II) and sodium hexanitrito cobaltate (III) are ______.
The one that will show optical activity is: (en = ethane 1, 2-diamine)
What is meant by the chelate effect? Give an example.
What is meant by the chelate effect? Give an example.
