4 Cu(SCN) + 7 KIO₃ + 14 HCl → 7 ICl + 4 Cu(SO₄) + 4 HCN + 7 KCl + 5 H₂O

This is an oxidation-reduction (redox) reaction:

Cu(SCN) is a reducing agent, Cu(SCN) is a reducing agent, Cu(SCN) is an oxidizing agent, KIO₃ is an oxidizing agent.

Reactants:

• Cu(SCN)
• KIO₃ – Potassium iodate
  • Other names: Iodic acid , Potassium salt , KIO3
  • Appearance: White crystalline powder
• HCl – Chlorane , Hydrogen chloride
  • Other names: Hydrochloric acid , M , Uriatic acid ... show moreHydronium chloride , Chlorhydric Acid , Hydrochloric acid gas , HCl , Anhydrous hydrogen chloride , Hydrochloric acid, anhydrous , Aqueous hydrogen chloride , [Note: Often used in an aqueous solution.] show less
  • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]

Products:

• ICl – Iodine monochloride , Chloroiodane
  • Other names: Iodine chloride , ClI , ICl
  • Appearance: Reddish-brown
• Cu(SO₄)
• HCN – F , Ormonitrile (substitutive)|Hydridonitridocarbon (additive)}}
  • Other names: Hydrogen cyanide , Ormic anammonide|Hydrocyanic acid|Prussic acid|Methanenitrile , Hydrogen cyanide, liquefied ... show moreHydrocyanic acid , Formonitrile , Prussic acid , [CHN] , HCN show less
  • Appearance: Colorless liquid or gas ; Colourless gas or liquid with characteristic odour ; Colorless or pale-blue liquid or gas (above 78°F) with a bitter, almond-like odor. [Note: Often used as a 96% solution in water.]
• KCl
  • Names: Potassium chloride , Sylvite , Muriate of potash ... show moreKlor-Con M15 , K-Lease , Klor-Con 8 , K+10 , K+8 , Klor-Con M10 , Micro-K 10 , Kato , Kaon Cl-10 , Kaon-Cl , Kaon Cl , Micro-K , Klor-Con 10Meq , Klor-Con 10 , Micro-K Ls , K-dur , Klor-Con , Klor-Con M20 , Slow-K , Ten-K , Klotrix , [KCl] , Kaliumchlorid , Chloride of potash , Kaon-CL 10 , Klor-CON , KCl , Monopotassium chloride , K-Tab , Chlorid draselny , Potassium Chloride show less
  • Appearance: White crystalline solid ; Colourless hygroscopic crystals
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas