Which of the following on the addition will not cause deep red colour to disappear? Fe^3+(aq) + SCN^-(aq) ⇌ [Fe(SCN)]^2+(aq) Pale yellow Colourless Deep red

Question

Which of the following on the addition will not cause deep red colour to disappear?

Fe^3+(aq) + SCN^-(aq) ⇌ [Fe(SCN)]^2+(aq)

Pale yellow   Colourless   Deep red

Prashant Kotian · Accepted Answer

Correct answer: C. (A, B, D) colour dissapers if a reactant added removes 3 Fe or SCN  . Ag SCN AgSCN        2 2 Hg 2SCN Hg SCN        3 2 3 2 4 2 4 3 C O Fe Fe C O        

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