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Chemistry · 2023 · 2 marks
CBSE 2023 · Region 2 · Set 1 · Q22
(a) Write the IUPAC names of the following: 2 × 1 (i) [ Co ( NH_3)_5( ONO )]^2+ (ii) K_2[ NiCl_4]
(a)
Write the IUPAC names of the following: $\displaystyle \mathbf{2} \boldsymbol{\times} \mathbf{1}$
(i)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5}(\mathrm{ONO})\right]^{2+}$
(ii)
$\displaystyle \mathrm{K}_{2}\left[\mathrm{NiCl}_{4}\right]$
OR
(b)(i)
What is a chelate complex? Give one example.
(ii)
What are heteroleptic complexes? Give one example. $\displaystyle \mathbf{2} \boldsymbol{\times} \mathbf{1}$
Marking-scheme solution
(i) Pentaamminenitrito-O-cobalt(III) ion
(ii) Potassium tetrachloridonickelate(II)
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