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प्रश्न
Which of the following compounds is used as a semipermeable membrane?
(a) Potassium ferrocyanide
(b) Potassium argentocyanide
(c) Sodium meta aluminate
(d) Copper ferrocyanide
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उत्तर
Copper ferrocyanide
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संबंधित प्रश्न
What is meant by unidentate ligand?
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:
What happens when PCl5 is heated? Write the equations involved.
Write the IUPAC name of the following complex:
[Co(NH3)5(CO3)]Cl
Ligand (en) is an example of ___________.
A group of atoms can function as a ligand only when:
The coordination number of Cr in [Cr(NH3)3(H2O)3]Cl3 is ___________.
Which of the following complexes formed by \[\ce{Cu^2+}\] ions is most stable?
When 1 mol \[\ce{CrCl3.6H2O}\] is treated with excess of \[\ce{AgNO3}\], 3 mol of \[\ce{AgCl}\] are obtained. The formula of the complex is ______.
The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
Match the complex ions given in Column I with the colours given in Column II and assign the correct code:
| Column I (Complex ion) | Column II (Colour) |
| A. \[\ce{[Co(NH3)6]^{3+}}\] | 1. Violet |
| B. \[\ce{[Ti(H2O)6]^{3+}}\] | 2. Green |
| C. \[\ce{[Ni(H2O)6]^{2+}}\] | 3. Pale blue |
| D. \[\ce{(Ni(H2O)4 (en)]^{2+} (aq)}\] | 4. Yellowish orange |
| 5. Blue |
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?
Which one of the following does not achieve an octet of electrons in the central atom?
Oxidation number of cobalt in K[Co(CO)4] is
In which of the following compounds, the oxidation number of iodine is fractional?
Which of the following is an ionic ligand?
The oxidation state of Fe in the brown ring complex [F3(H2O)5NO]SO4 is
The most stable ion is ______.
Metal attached with EDTA in an octahedral complex, has coordination number ______.
How many ions are produced from the complex Co(NH3)6]Cl2 in solution?
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:
Glycinato ligand is ______.
What is a chelate complex?
Which of the following species cannot act as a ligand? Give reason.
What is meant by the chelate effect? Give an example.
Give two examples of unidentate ligands.
