CBSE Class 12 Chemistry 2023 Outside Delhi Set 1 Solved Paper

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Question : 22
Total: 35
(a) Write the IUPAC names of the following:
(i) [CO(NH3)5(ONO)]2+
(ii) K2[NiCl4]
OR
(b) (i) What is a chelate complex? Give one example.
(ii) What are heteroleptic complexes? Give one example.
(a) (i) [CO(NH3)5(ONO)]2+
IUPAC : Pentaammine onitrito cobalt (III) ion
(ii) K2[NiCl4]
potassiumtetra chlornickelate (II)
[OR]
(b) (i) Chelate complex: A class of coordination or complex compounds consisting of a central metal atom attached through two or more coordinate bonds with ligands in a cyclic or sing structure.
Example : EDIA
(ii) Heteroleptic complex: Coordination complexes which contain more than one type of ligands.
Example: [Fe(NH3)4Cl2]+
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