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Chemistry · 2023 · 2 marks
CBSE 2023 · Region 4 · Set 1 · Q25
Write IUPAC names of the following coordination entities: (a) [ Co ( NH_3)_4 Cl ( NO_2)] Cl (b) [ PtCl_2( en )_2]^2+
Write IUPAC names of the following coordination entities :
(a)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right] \mathrm{Cl}$
(b)
$\displaystyle \left[\mathrm{PtCl}_{2}(\mathrm{en})_{2}\right]^{2+}$
Marking-scheme solution
(a)
Tetraamminechloridonitrito-N-cobalt(III) chloride
(b)
Dichloridobis(ethane-$\displaystyle 1,2$-diamine)platinum(IV) ion
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.