NCERT Class XII Chemistry
Chapter - Coordination Compounds
Questions with Solutions
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Question : 35
Total: 43
Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers :
(i)K [ C r ( H 2 O ) 2 ( C 2 O 4 ) 2 ]
(ii)[ C o ( e n ) 3 ] C l 3
(iii)[ C o ( N H 3 ) 5 ( N O 2 ) ] ( N O 3 ) 2
(iv)[ P t ( N H 3 ) ( H 2 O ) C l 2 ]
(i)
(ii)
(iii)
(iv)
Solution:
(i) Both geometrical (cis-, trans-) and optical isomers (for cis) canexist.
[ C o ( N H 3 ) 5 ( N O 2 ) ] ( N O 3 ) 2 , [ C o ( N H 3 ) 5 ( N O 3 ) ] ( N O 2 ) ( N O 3 )
(ii) Two optical isomers can exist.(ii) Two optical isomers can exist.
(iii) Ionization isomers :
Linkage isomers : [ C o ( N H 3 ) 5 ( N O 2 ) ] ( N O 3 ) 2 , [ C o ( N H 3 ) 5 ( O N O ) ] ( N O 3 ) 2
(iv) Geometrical (cis-, trans-) isomers can exist.© examsnet.com
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