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SOME BASIC PRINCIPLES OF ORGANIC CHEMISTRY
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Question
What is the balanced chemical equation for the formation of Prussian blue?
A. Fe²⁺ + CN⁻ → [Fe(CN)₆]⁴⁻
B. Fe³⁺ + SCN⁻ → [Fe(SCN)]²⁺
C. 3[Fe(CN)₆]⁴⁻ + 4Fe³⁺ → Fe₄[Fe(CN)₆]₃
D. Ag⁺ + Cl⁻ → AgCl
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