CBSE 2026 · Region 4 · Set 3 · Q17 · 2 marks
Write IUPAC names of the following compounds :(a)$\displaystyle \left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]$(b)$\displaystyle \left[\mathrm{Co}(\mathrm{en})_{3}\right]_{2}\left(\mathrm{SO}_{4}\right)_{3}$
Write IUPAC names of the following compounds :
(a)
$\displaystyle \left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]$
(b)
$\displaystyle \left[\mathrm{Co}(\mathrm{en})_{3}\right]_{2}\left(\mathrm{SO}_{4}\right)_{3}$
Marking-scheme solution
(a)
Diamminesilver(I) dicyanidoargentate(I)
(b)
Tris(ethane-$\displaystyle 1,2$–diamine)cobalt(III) sulphate
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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.