What half-reaction occurs at the cathode during the electrolysis of molten potassium bromide? A) K(s)$\to$K⁺( $\ell$ )+ e^- B) Br₂( $\ell$ )+ 2e^-$\to$ 2Br^-( $\ell$ ) C) 2Br^-( $\ell$ )$\to$ Br₂( $\ell$ )+ 2e^- D) K⁺( $\ell$ )+ e^-$\to$ K(s) E) 2H₂O( $\ell$ )+ 2e^-$\to$ H₂(g)+ 2OH^-(( $\ell$ )

Question

Quizplus · Accepted Answer

During the electrolysis of molten potassium bromide, the reduction half-reaction occurs at the cathode, where potassium ions (K⁺) gain electrons to form potassium metal (K).

What Half-Reaction Occurs at the Cathode During the Electrolysis of Molten