prestonhayes8210 prestonhayes8210
  • 04-05-2018
  • Chemistry
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Consider the electrolysis of molten barium chloride (bacl2). (a) write the half-reactions. include the states of each species..

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Dejanras
Dejanras Dejanras
  • 13-05-2018

Molten barium chloride is separetes:
BaCl
₂(l) → Ba(l) + Cl₂(g), 
but first ionic bonds in this salt are separeted because of heat: 
BaCl
₂(l) → Ba²⁺(l) + 2Cl⁻(l).

Reaction of reduction at cathode(-): Ba²⁺(l) + 2e⁻ → Ba(l).

Reaction of oxidation at anode(+): 2Cl⁻(l) → Cl₂(g) + 2e⁻.

The anode is positive and the cathode is negative.

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