Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Potassium cyanide is made alkaline with 
and boiled with thiosulphate ions. The solutions is cooled and acidified with 
and this solution with iron (III) chloride produces
Text Solution
Verified by ExpertsThe correct answer is:
B
Reaction of 
with 
gives a blood red solution.
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