Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which one of the following complexes is violet in colour?
A
[Fe(CN) 6 ] 4−
B
[Fe(SCN) 6 ] 4−
C
Fe 4 [Fe (CN 6 )] 3 ⋅ H 2 O
D
Text Solution
Verified by ExpertsThe correct answer is:
D
[Fe(CN) 6 ] 4− → Pale yellow solution
[Fe(SCN) 6 ] 4 → Blood red colour
Fe 4 [Fe (CN 6 )] 3 ⋅ H 2 O → Prussian blue
[Fe(CN) 5 NOS] 4− → Violet colour
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