Complex forming tendency of central metal ion increases with
- increase in size of the cation
- decrease in size of the cation
- increase in size of anion
- decrease in the charge of cation.
The Correct Option is B
Solution and Explanation
Top Questions on coordination compounds
In the complex ion Fe(C2O4)3 the Co-ordination number of Fe is
- KCET - 2025
- Chemistry
- coordination compounds
- Which formula and its name combination is incorrect?
- KCET - 2025
- Chemistry
- coordination compounds
- Which of the following statements are true about \( [NiCl_4]^{2-} \)?
(a) The complex has tetrahedral geometry.
(b) Co-ordination number of Ni is 2 and oxidation state is +4.
(c) The complex is sp\(^3\) hybridised.
(d) It is a high spin complex.
(e) The complex is paramagnetic.- KCET - 2025
- Chemistry
- coordination compounds
- Which of the following coordination compounds exhibits geometrical isomerism?
- MHT CET - 2025
- Chemistry
- coordination compounds
- IUPAC name of the chemical compound \( \text{Ni(PPh}_3)_2\text{Cl_2 \) \( 2+ \)?}
- MHT CET - 2025
- Chemistry
- coordination compounds
Questions Asked in COMEDK UGET exam
If the ratio of lengths, radii and Young's Moduli of steel and brass wires in the figure are $ a $, $ b $, and $ c $ respectively, then the corresponding ratio of increase in their lengths would be:
- COMEDK UGET - 2024
- Youngs double slit experiment
- A parallel plate capacitor is filled by a dielectric whose relative permittivity varies with the applied voltage (U) as $ \epsilon = 2U $. A similar capacitor with no dielectric is charged to $ U_0 = 78 \, \text{V} $. It is then connected to the uncharged capacitor with the dielectric. Find the final voltage on the capacitors.
- COMEDK UGET - 2024
- Capacitors and Capacitance
- A stone of mass 2 kg is hung from the ceiling of the room using two strings. If the strings make an angle $ 60^\circ $ and $ 30^\circ $ respectively with the horizontal surface of the roof, then the tension on the longer string is:
- COMEDK UGET - 2024
- Centripetal forces
- Two metal spheres, one of radius $ \frac{R}{2} $ and the other of radius $ 2R $ respectively have the same surface charge density. They are brought in contact and separated. The ratio of their new surface charge densities is:
- COMEDK UGET - 2024
- Electrostatics
Two charges $ -q $ each are fixed, separated by distance $ 2d $. A third charge $ q $ of mass $ m $ placed at the mid-point is displaced slightly by $ x' (x \ll d) $ perpendicular to the line joining the two fixed charges as shown in the figure. The time period of oscillation of $ q $ will be:
- COMEDK UGET - 2024
- Electrostatics
Concepts Used:
Coordination Compounds
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
Coordination entity:
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
Ligands:
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.