AP EAPCET 20-Aug-2021 Shift 1 Paper

Section: Chemistry

Question : 153 of 160

Marks: +1, -0

Potassium cyanide is made alkaline with Na‌OH and boiled with thiosulphate ions. The solution is cooled and acidified with HCl and this solution with iron (III) chloride produces ______

Prussian blue colour solution
Blood red colour solution
Dark brown colour solution
Green colour solution

Validate

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