Chemical formula of vinegar

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

The Chemical formula of vinegar is CH3COOH.

Characteristics of vinegar

Characteristic Description
Chemical Formula CH3COOH
Chemical Name Acetic Acid
Appearance Clear liquid
Color Colorless to pale yellow
Odor Pungent, sour
Taste Sour
pH ~2.4 (acidic)
Density 1.01 g/cm³
Boiling Point 118-119 °C
Freezing Point ~16.5 °C
Solubility in Water Miscible
Uses Cooking, food preservation, cleaning, disinfecting, pickling, and more

Reaction of vinegar with Alkali Metal

Alkali Metal Reaction
Lithium (Li) 2CH3COOH + 2Li → 2CH3COOLi + H2↑
Sodium (Na) 2CH3COOH + 2Na → 2CH3COONa + H2↑
Potassium (K) 2CH3COOH + 2K → 2CH3COOK + H2↑
Rubidium (Rb) 2CH3COOH + 2Rb → 2CH3COORb + H2↑
Cesium (Cs) 2CH3COOH + 2Cs → 2CH3COOCs + H2↑
Francium (Fr) 2CH3COOH + 2Fr → 2CH3COOFr + H2↑

 

Reaction of vinegar with Alkaline Earth Metal

Alkaline Earth Metal Reaction
Beryllium (Be) 2CH3COOH + Be → (CH3COO)2Be + H2↑
Magnesium (Mg) CH3COOH + Mg → CH3COOMg + H2↑
Calcium (Ca) CH3COOH + Ca → CH3COOCa + H2↑
Strontium (Sr) CH3COOH + Sr → CH3COOSr + H2↑
Barium (Ba) CH3COOH + Ba → CH3COOBa + H2↑
Radium (Ra) CH3COOH + Ra → CH3COORa + H2↑

Reaction of vinegar with Transition Metal

Transition Metal Reaction
Iron (Fe) CH3COOH + Fe → CH3COOFe + H2↑
Zinc (Zn) CH3COOH + Zn → CH3COOZn + H2↑
Aluminum (Al) CH3COOH + Al → CH3COOAl + H2↑
Chromium (Cr) No reaction observed
Copper (Cu) No reaction observed
Nickel (Ni) No reaction observed

Reaction of vinegar with Post-Transition Metal

Post-Transition Metal Reaction Description
Aluminum (Al) CH3COOH + Al → CH3COOAl + H2↑ Reaction produces hydrogen gas and aluminum acetate, but is not as vigorous as with alkali or alkaline earth metals.
Zinc (Zn) CH3COOH + Zn → CH3COOZn + H2↑ Reaction produces hydrogen gas and zinc acetate, but is not as vigorous as with alkali or alkaline earth metals.
Tin (Sn) CH3COOH + Sn → CH3COOSn + H2↑ Reaction produces hydrogen gas and tin acetate, but is slower than with alkali or alkaline earth metals.
Lead (Pb) CH3COOH + Pb → CH3COOPb + H2↑ Reaction produces hydrogen gas and lead acetate, but is slower than with alkali or alkaline earth metals.
Bismuth (Bi) CH3COOH + Bi → CH3COOBi + H2↑ Reaction produces hydrogen gas and bismuth acetate, but is slower than with alkali or alkaline earth metals.

 

Reaction of vinegar with Nonmetal

Nonmetal Reaction Product Name
Carbon (C) CH3COOH + C → CO2↑ + H2O Carbon dioxide
Sulfur (S) CH3COOH + S → H2S↑ + CO2↑ Hydrogen sulfide and carbon dioxide
Nitrogen (N) No reaction observed –
Oxygen (O) No reaction observed –
Chlorine (Cl) CH3COOH + Cl2 → 2HCl↑ + CO2↑ Hydrogen chloride and carbon dioxide
Bromine (Br) CH3COOH + Br2 → 2HBr↑ + CO2↑ Hydrogen bromide and carbon dioxide
Iodine (I) CH3COOH + I2 → 2HI↑ + CO2↑ Hydrogen iodide and carbon dioxide

 

Reaction of vinegar with Metalloid

Metalloid Reaction Product Name
Boron (B) CH3COOH + B → H3BO3↑ + H2↑ Boric acid and hydrogen gas
Silicon (Si) CH3COOH + Si → SiO2 + CH4↑ Silicon dioxide and methane gas
Germanium (Ge) CH3COOH + Ge → GeO2 + CH4↑ Germanium dioxide and methane gas
Arsenic (As) CH3COOH + As → As2O3 + CH4↑ Arsenic trioxide and methane gas
Antimony (Sb) CH3COOH + Sb → Sb2O3 + CH4↑ Antimony trioxide and methane gas
Tellurium (Te) CH3COOH + Te → TeO2 + CH4↑ Tellurium dioxide and methane gas

More formula

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