✓ Board-verified
Chemistry · 2022 · 3 marks
CBSE 2022 · Region 2 · Set 1 · Q4
(a) Write the hybridisation and magnetic character of the following complexes: (i) [ NiCl_4]^2- (ii) [ Co ( NH_3)_6]^3+ (iii) [ FeF_6]^3- [Atomic…
Write the hybridisation and magnetic character of the following complexes :
(i)
$\displaystyle \left[\mathrm{NiCl}_{4}\right]^{2-}$
(ii)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$
(iii)
$\displaystyle \left[\mathrm{FeF}_{6}\right]^{3-}$
[Atomic number : $\displaystyle \mathrm{Ni}=28, \mathrm{Co}=27, \mathrm{Fe}=26$ ]
(i)
Write the IUPAC name of the following complex : $\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4}\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Cl}\right] \mathrm{Cl}_{2}$
(ii)
What is the difference between an Ambidentate ligand and a Bidentate ligand?
(iii)
Out of $\displaystyle \left[\mathrm{Fe}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ and $\displaystyle \left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]^{3-}$, which complex is more stable and why ?
Marking-scheme solution
(a) (i) \(\displaystyle s p^{3}\), paramagnetic
(ii) \(\displaystyle d^{2} s p^{3}\), diamagnetic
(iii) \(\displaystyle s p^{3} d^{2}\), paramagnetic
All Coordination Compounds questions2022 question paperNCERT solutions: Coordination CompoundsPractice Coordination Compounds →
More from Coordination Compounds
- [Co(NH_3)_6]^3+ is diamagnetic whereas [CoF_6]^3- is paramagnetic. Justify the statement. [Atomic number of Co=27 ] Write the electronic…2026
- Draw the geometrical isomers of the given complex: [Pt(en)_2 Cl_2]^2+ Write the electronic configuration for d^4 ion if Δ_0<P on the basis of crystal…2024
- On the basis of crystal field theory, write the electronic configuration for d^4 with a strong field ligand for which Δ_0>P. A solution of [Ni(H_2…2023
- Out of the following statements, the incorrect statement is:2025
- The secondary valency of Co in [Co(en)_3]^3+ is2026
- The Valence Bond Theory (VBT) explains the formation, magnetic behaviour and geometrical shapes of coordination compounds whereas 'The Crystal Field…2024
- The formula of the complex Iron (III) hexacyanidoferrate (II) is:2023
- [Fe(H_2 O)_6]^2+ is paramagnetic whereas [Fe(CO)_5] is diamagnetic. Justify the statement. [Atomic number of Fe=26 ] 2+1 On the basis of crystal…2026
CBSE Class 12 Chemistry past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.