Chemical formula of diamond

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

Chemical formula of diamond is C( carbon)

Physical Properties of Diamond:

Properties Details
Cleavage None
Color Typically colorless or ranging from white to various colors
Crystal Structure Cubic
Density 3.52 g/cm³
Electrical Conductivity Insulator
Hardness 10 (Mohs scale)
Luster Adamantine
Melting Point Approximately 3,827°C (6,920°F)
Refractive Index 2.42
Thermal Conductivity High
Transparency Transparent to opaque

Chemical Properties of Diamond:

Properties Details
Acidity/Basicity Non-acidic and non-basic
Chemical Formula C
Chemical Stability Highly stable
Composition Pure carbon
Flammability Non-flammable
Oxidation Resistant to oxidation
Reactions Reacts with fluorine at high temperatures to form carbon tetrafluoride
Reactivity Highly unreactive under normal conditions
Solubility Insoluble in most common solvents

Reaction of diamond

Alkaline earth metal
Alkaline earth metal Reaction
Calcium 3Ca + 2C → Ca₃C₂ (calcium carbide)
Magnesium Mg + C → MgC₂ (magnesium carbide)
Transition metal  
Transition metal Reaction
Iron Fe + C → Fe₃C (cementite, a type of iron carbide)
Nickel Ni + C → NiC (nickel carbide)
Cobalt Co + C → CoC (cobalt carbide)
Chromium Cr + 3C → Cr₃C₂ (chromium carbide)
  Non-transition metal
Non-transition metal Reaction
Aluminum 4Al + 3C → Al₄C₃ (aluminum carbide) + 2Al
Silicon Si + 2C → SiC (silicon carbide)
Boron 2B + 3C → B₄C (boron carbide)
Non-metal  
Non-metal Reaction
Oxygen 2C + O₂ → 2CO (carbon monoxide)
Nitrogen 2C + N₂ → 2CN (cyanogen)
Chlorine C + Cl₂ → CCl₄ (carbon tetrachloride)
Sulfur C + S → CS₂ (carbon disulfide)
Metalloid  
Metalloid Reaction
Boron B + C → BC (boron carbide)
Silicon Si + 2C → SiC (silicon carbide)
 

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