JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
\({\left[ Fe ( CN )_{6}\right]^{4-}}\); \({\left[ Fe ( CN )_{6}\right]^{3-}}\); \({\left[ Ti ( CN )_{6}\right]^{3-}}\); \({\left[ Ni ( CN )_{4}\right]^{2-}}\); \({\left[ Co ( CN )_{6}\right]^{3-}}\) Among the given complexes, number of paramagnetic complexes is .... .
- A \(1\)
- B \(3\)
- C \(2\)
- D \(7\)
Answer & Solution
Correct Answer
(C) \(2\)
Step-by-step Solution
Detailed explanation
\(\left[ Fe ( CN )_{6}\right]^{4-} \quad\) Diamagnetic \(\left[ Fe ( CN )_{6}\right]^{3-} \quad\) Paramagnetic (\(1\) unpaired electron) \(\left[ Ti ( CN )_{6}\right]^{3-} \quad\) Paramagnetic (\(1\) unpaired electron) \(\left[ Ni ( CN )_{4}\right]^{2-} \quad\) Diamagnetic…
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