CBSE 2026 · Region 4 · Set 1 · Q19 · 2 marks
Write IUPAC names of the following compounds :(a)$\displaystyle \left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{ONO}) \mathrm{Cl}\right] \mathrm{NO}_{3}$(b)$\displaystyle \mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]$
Write IUPAC names of the following compounds :
(a)
$\displaystyle \left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4}(\mathrm{ONO}) \mathrm{Cl}\right] \mathrm{NO}_{3}$
(b)
$\displaystyle \mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]$
Marking-scheme solution
(a)
Tetraamminechloridonitrito-O-chromium(III) nitrate
(b)
Sodium dicyanidoargentate(I)
Coordination CompoundsNomenclature of 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.