NCERT Class XII Chemistry
Chapter - Coordination Compounds
Questions with Solutions
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Question : 5
Total: 43
Specify the oxidation numbers of the metals in the followingcoordination entities :
( i ) [ C o ( H 2 O ) ( C N ) ( e n ) 2 ] 2 +
( ii ) [ C o B r 2 ( e n ) 2 ] +
( iii ) [ P t C l 4 ] 2 −
( iv ) K 3 [ F e ( C N ) 6 ]
( v ) [ C r ( N H 3 ) 3 C l 3 ]
Solution:
(i)[ C o ( H 2 O ) ( C N ) ( e n ) 2 ] 2 + : + 3 ;
(ii)[ C o B r 2 ( e n ) 2 ] + : + 3
(iii)[ P t C l 4 ] 2 – : + 2
(iv)K 3 [ F e ( C N ) 6 ] : + 3 ;
(v)[ C r ( N H 3 ) 3 C l 3 ] : + 3
(ii)
(iii)
(iv)
(v)
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