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JEE Advanced Chemistry p Block Elements (Group 15, 16, 17 & 18) 2025 JEE Advanced 2025 (Paper 2)

JEE Advanced Chemistry Question (2025) — Solution

Question

During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to

Options

  1. A. NOS ^ -
  2. B. SCN ^ -
  3. C. SNO ^ -
  4. D. NCS ^ -

Answer

A. NOS ^ -

Step-by-step solution

Na _2 [ Fe ( CN )_5( NO ) ]+ Na _2 ~S Na _4 [ Fe ( CN )_5( NOS ) ] Sodium nitroprusside purple solution

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