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COMEDK2024ChemistryGeneral Organic Chemistry

Which among the following given reagent is widely used for detection of sulphide ion?

Options

  1. A1-nitroso-2-naphthol
  2. BPotassium ferricyanide
  3. CDisodium hydrogen phosphate
  4. DSodium nitroprusside

Correct answer

D. Sodium nitroprusside

Step-by-step solution

The sulphide ion S ²⁻ react with sodium nitroprusside to give a dark purple complex. The complete reaction is as follows,

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