In an attempt to demonstrate electric conductivity through an electrolyte, the following apparatus (figure) was set up. … C. Only (ii)…
C – Bulb will glow as NaOH is a strong base that dissociates completely in water to furnish OH and Nations. It is thus a strong electrolyte and conducts electricity through it. Strong acids and bases are good conductors of electricity.
NaOH → Na++ OH-