CBSE 2026 · Region 2 · Set 2 · Q20 · 2 marks
(a)Define didendate ligand. Give an example. $\displaystyle 1$ + $\displaystyle 1$(b)Indicate the type of isomerism exhibited by the given complex : $\displaystyle \left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Cl}_{2}\right]$
(a)
Define didendate ligand. Give an example. $\displaystyle 1$ + $\displaystyle 1$
(b)
Indicate the type of isomerism exhibited by the given complex : $\displaystyle \left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)\left(\mathrm{H}_{2} \mathrm{O}\right) \mathrm{Cl}_{2}\right]$
Marking-scheme solution
(a)
When the ligand binds through two donor atoms, the ligand is said to be
didendate.
Example : C2O42−
(b)
Geometrical isomerism
Coordination CompoundsDefinitions of Some Important Terms Pertaining to Coordination CompoundsRemembervery_short_answermedium
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CBSE Class 12 Chemistry past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.