Phương trình phản ứng Zn + HNO3 Zn(NO3)2 + NH4NO3 + H2O có tổng hệ số các chất tham gia là

This is an oxidation-reduction [redox] reaction:

4 Zn0 - 8 e- → 4 ZnII [oxidation]

NV + 8 e- → N-III [reduction]

Zn is a reducing agent, HNO3 is an oxidizing agent.

Reactants:

• Zn
  • Names: Zinc
    , Zinc powder [pyrophoric]
    , Zn
    Element 30
    , 30Zn
    , Cinc
    , Zink
    , Zn[ii]
    , Zn2+
    , Zincum
    , Blue powder
    , Merrillite
  • Appearance: Grey-to-blue powder
• HNO3 – Nitric acid
  • Other names: Aqua fortis
    , Spirit of niter
    , Eau forte
    Hydrogen nitrate
    , Acidum nitricum
    , Nitric acid [> 70% in water]
    , Fuming nitric acid
    , Engravers acid
    , HONO2
    , Red fuming nitric acid
    , RFNA
    , White fuming nitric acid [WFNA]
  • Appearance: Colorless, yellow or red fuming liquid
    ; Colourless-to-yellow liquid with pungent odour
    ; Colorless, yellow, or red, fuming liquid with an acrid, suffocating odor. [Note: Often used in an aqueous solution. Fuming nitric acid is concentrated nitric acid that contains dissolved nitrogen dioxide.]

Products:

• Zn[NO3]2 – Zinc nitrate
  • Other names: Zinc dinitrate
    , Zinc[II] nitrate
    , Nitric acid, zinc salt
  • Appearance: Colorless, deliquescent crystals
    ; Colourless crystals or powder
• NH4NO3 – Ammonium nitrate
  • Other names: Nitric acid, ammonium salt
  • Appearance: White/grey solid
    ; Colourless-to-white hygroscopic solid in various forms
• H2O – Water, oxidane
  • Other names: Water [H2O]
    , Hydrogen hydroxide [HH or HOH]
    , Hydrogen oxide
    Dihydrogen monoxide [DHMO] [systematic name]
    , Hydrogen monoxide
    , Dihydrogen oxide
    , Hydric acid
    , Hydrohydroxic acid
    , Hydroxic acid
    , Hydrol
    , Μ-oxido dihydrogen
    , Κ1-hydroxyl hydrogen[0]
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas

Zn, HNO3] data-basepathlan=/en/ data-basepath=/>

Zn[NO3]2, NH4NO3, H2O] data-basepathlan=/en/ data-basepath=/>

Zn, HNO3] and by products [Zn[NO3]2, NH4NO3, H2O] data-basepathlan=/en/ data-basepath=/>