Balanced Chemical Equation – Solution
4LiH + AlCl3 → LiAlH4 + 3LiCl
The coefficients show the number of particles (atoms or molecules), and the indices show the number of atoms that make up the molecule. New substances are formed as a result of the rearrangement of the original atoms. As a result of a chemical reaction, atoms of chemical elements do not disappear anywhere and new ones do not appear, their number remains unchanged – this follows from the law of conservation of mass of substances.
Chemical Reaction Information
Reaction Type
Double Displacement (Metathesis)
Substances that react are called starting materials or reactants. The substances that form as a result are called reaction products.
Reactants:
LiH
- Names: Lithium hydride.
- Appearance: Colorless to gray solid.
AlCl3 – Aluminium chloride
- Other names: Aluminium(III) chloride.
- Appearance: White or pale yellow solid | hygroscopic.
Products:
LiAlH4 – Lithium tetrahydridoaluminate(III)
- Other names: Lithium aluminium hydride.
- Appearance: White crystals (pure samples) | grey powder (commercial material) | hygroscopic.
LiCl – Lithium chloride
- Other names: LiCl .
- Appearance: White solid | hygroscopic, sharp; Colourless-to-white hygroscopic and deliquescent crystals or powder.
LiH + AlCl3 = LiCl + AlH3 |
LiH + AlCl3 = LiCl + Li(AlH4) |
LiH + AlCl3 = AlH3 + LiCl |
LiH + AlCl3 = Li3Al + HCl |
LiH + AlCl3 = Li(AlH4) + LiCl |
LiH + AlCl3 = LiCl + LiAlH4 |