Advertisements
Advertisements
प्रश्न
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) \[\ce{[Ni(NH3)4Cl2]}\]
Advertisements
उत्तर
(i) \[\ce{[Co(NH3)6]^{3+}}\]
(iii) \[\ce{[Ni(CN)4]^{2-}}\]
Explanation:
Complexes in which a metal is bound to only one kind of donor groups, e.g., \[\ce{[Co(NH3)6]^{3+}}\], are known as homoleptic.
APPEARS IN
संबंधित प्रश्न
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
cis-[CrCl2(en)2]Cl
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
[Mn(H2O)6]SO4
Which of the following compounds is used as a semipermeable membrane?
(a) Potassium ferrocyanide
(b) Potassium argentocyanide
(c) Sodium meta aluminate
(d) Copper ferrocyanide
Write IUPAC names of the following compounds:
What happens when PCl5 is heated? Write the equations involved.
Write structures of compounds A and B of the following reaction :
Which of the following is non-ionizable?
Which of the following complexes formed by \[\ce{Cu^2+}\] ions is most stable?
When 0.1 mol \[\ce{CoCl3 (NH3)5}\] is treated with excess of \[\ce{AgNO3}\], 0.2 mol of \[\ce{AgCl}\] are obtained. The conductivity of solution will correspond to ______.
Which of the following complexes are heteroleptic?
(i) \[\ce{[Cr(NH3)6]^{3+}}\]
(ii) \[\ce{[Fe(NH3)4]Cl2]^+}\]
(iii) \[\ce{[Mn(CN)6]^{4-}}\]
(iv) \[\ce{[Co(NH3)4]Cl2]}\]
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.
What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex?
The correct order of the spin-only magnetic moment of metal ions in the following low spin complexes,
\[\ce{[V(CN)6]^{4-}, [Fe(CN)6]^{4-}, [Ru(NH3)6]^{3+} and [Cr(NH3)6]^2}\] is:
Does ionization isomer for the following compound exist? Justify your answer.
\[\ce{Hg[Co(SCN)4]}\]
Is the central metal atom in coordination complexes a Lewis acid or a Lewis base? Explain.
What is meant by the chelate effect? Give an example.
Explain the following, giving two examples:
Coordination polyhedron
