eloctrolysis of solutions Flashcards
(5 cards)
1
Q
What determines what gets discharged?
A
Least reactive cation and halides or OH⁻ at anode
2
Q
Half equation for Cl⁻ oxidation?
A
2Cl⁻ → Cl₂ + 2e⁻
3
Q
Half equation for H⁺ reduction?
A
2H⁺ + 2e⁻ → H₂
4
Q
Why does H⁺ discharge instead of Na⁺?
A
H⁺ is less reactive
5
Q
What’s formed if Na⁺ and OH⁻ stay in solution?
A
Sodium hydroxide (NaOH)
