Past exam of the MPhil in micro- and nanotechnology enterprise course of the University of Cambridge / 2021 / Paper 1 / 11 / i / b

For the specified $x=1$, the discharge half-reactions and their sum areEach mole of CF formula units consumes one mole of lithium and transfers one mole of electrons. For general $x$, the corresponding formula-unit reaction would be ${\mathrm{CF}}_x+x\mathrm{Li}⟶\mathrm{C}+x\mathrm{LiF}$.