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Practical Organic Chemistry question

2022 · 28 Jun · Shift 1 · Q13
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Practical Organic Chemistry question

2022 · 28 Jun · Shift 1 · Q13

JEE MainChemistryPractical Organic ChemistryMCQ+4 / −1
The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is :
  1. A
    NaFe[Fe(CN)6]NaFe[Fe(CN)_6]NaFe[Fe(CN)6​]
  2. B
    Na[Cr(NH3)2(NCS)4]Na[Cr(NH_3)_2(NCS)_4]Na[Cr(NH3​)2​(NCS)4​]
  3. C
    Na2[Fe(CN)5(NO)]Na_2[Fe(CN)_5(NO)]Na2​[Fe(CN)5​(NO)]
  4. D
    Na4[Fe(CN)5(NOS)]Na_4[Fe(CN)_5(NOS)]Na4​[Fe(CN)5​(NOS)]
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