✓ Board-verified
Chemistry · 2026 · 3 marks
CBSE 2026 · Region 5 · Set 3 · Q25
(a) Write the IUPAC name of the given complex: K_2[ Zn ( OH )_4] (b) Differentiate between a double salt and a complex. (c) Mention the type of…
(a)
Write the IUPAC name of the given complex : $\displaystyle \mathrm{K}_{2}\left[\mathrm{Zn}(\mathrm{OH})_{4}\right]$
(b)
Differentiate between a double salt and a complex.
(c)
Mention the type of isomerism exhibited by the following complex : $\displaystyle \left[\operatorname{Pt}\left(\mathrm{NH}_{3}\right)\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Cl}_{2}\right]$
Marking-scheme solution
(a)
Potassium tetrahydroxidozincate (II)
(b)
Double salts dissociate into simple ions completely when dissolved in water whereas
complex does not dissociate completely into simple ions when dissolved in water.
(c)
Geometrical isomerism / Cis-trans isomerism
All Coordination Compounds questions2026 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 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.