(a) The following unbalanced reaction has been suggested for the dissolution of metallic zinc in a concentrated aqueous solution of nitric acid. Write a balanced reaction for this chemical process. Zn + NO, Zn²+ +NO (b) Balance the reaction: HIO3 + Felz + HCL - FeCl3 + ICI + H20 (c) Balance the reaction: Ka[Fe(SCN)s]+K2Cr207 +H2SO,- Feg(SO,)3+Cr2(SO,)3+CO2+H20+K2SO4 +KNO3

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