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Practical Organic Chemistry question

2021 · 26 Aug · Shift 1 · Q1
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  5. /2021 · 26 Aug · Shift 1 · Q1

Practical Organic Chemistry question

2021 · 26 Aug · Shift 1 · Q1

JEE MainChemistryPractical Organic ChemistryMCQ+4 / −1
Which one of the following complexes is violet in colour?
  1. A
    [Fe(CN)6]4−[Fe(CN)_6]^{4-}[Fe(CN)6​]4−
  2. B
    [Fe(SCN)6]4−[Fe(SCN)_6]^{4-}[Fe(SCN)6​]4−
  3. C
    Fe4[Fe(CN6)]3Fe_4[Fe(CN_6)]_3Fe4​[Fe(CN6​)]3​ . H2OH_2OH2​O
  4. D
    [Fe(CN)5NOS]4−[Fe(CN)_5NOS]^{4-}[Fe(CN)5​NOS]4−
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