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JEE Main 20252 AprilEvening Shift
Exam
JEE Main
Year
2025
Date
2 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Practical Chemistry

JEE Main 2025 · 2 April · Evening Shift · Chemistry · Practical Chemistry

Formation of Na_4[Fe(CN)_5 NOS] , a purple coloured complex formed...

Formation of Na4[Fe(CN)5NOS]\mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_5 \mathrm{NOS}\right], a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of :Formation of Na_4[Fe(CN)_5 NOS] , a purple coloured complex formed by addition of sodium nitroprusside in sodium

Options

  1. ASodium ion
  2. BSulphate ion
  3. CSulphide ion
  4. DSulphite ion

Correct answer

C. Sulphide ion

Step-by-step solution

Formation of Na_4[Fe(CN)_5 NOS] , a purple coloured complex formed by addition of sodium nitroprusside in sodium
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