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Chemistry · 2024 · 3 marks
CBSE 2024 · Region 5 · Set 2 · Q25
Write IUPAC names of the following coordination compounds: (any three) (a) K_3[ Fe ( CN )_6] (b) [ Pt ( en )_2 Cl_2]^2+ (c) [ Co ( NH_3)_4 Cl ( ONO…
Write IUPAC names of the following coordination compounds : (any three)
(a)
$\displaystyle \mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(b)
$\displaystyle \left[\mathrm{Pt}(\mathrm{en})_{2} \mathrm{Cl}_{2}\right]^{2+}$
(c)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}(\mathrm{ONO})\right] \mathrm{Cl}$
(d)
$\displaystyle \left[\mathrm{Zn}(\mathrm{OH})_{4}\right]^{2-}$
Marking-scheme solution
(a)
Potassium hexacyanidoferrate(III)
(b)
Dichloridobis(ethane-$\displaystyle 1,2$- diamine)platinum (IV) ion
(c)
Tetraamminechloridonitrito-O-cobalt (III) chloride
(d)
Tetrahydroxidozincate(II) ion
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.