Which ions are present in an aqueous solution of sodium bromide?Na+, Br–, H+ and OH–H+ and Br– onlyNa+ and Br– onlyNa+ and OH– only2In the electrolysis of aqueous potassium sulfate, what product is formed at the cathode?HydrogenOxygenSulfatePotassium3In the electrolysis of aqueous lithium chloride, what product is formed at the anode?HydrogenOxygenChlorineLithium4In electrolysis, how can you test whether the gas formed at the anode is a halogen?A lit splint produces a squeaky popTurns limewater cloudy whiteRelights a glowing splintBleaches damp blue litmus paper5In the electrolysis of aqueous copper (II) sulfate, what elements are formed at each electrode?Copper at the anode; oxygen at the cathodeCopper at the cathode; oxygen at the anodeHydrogen at the cathode; oxygen at the anodeCopper at the cathode; sulfate at the anode6In the electrolysis of aqueous sodium chloride, which ions will be left behind in the solution?H+ and OH–Na+ and OH–Na+ and Cl–H+ and Cl–

In the electrolysis of aqueous lithium chloride, what product is formed at the anode?ChlorineLithiumOxygenHydrogen4In electrolysis, how can you test whether the gas formed at the anode is a halogen?Relights a glowing splintA lit splint produces a squeaky popBleaches damp blue litmus paperTurns limewater cloudy white5In the electrolysis of aqueous copper (II) sulfate, what elements are formed at each electrode?Hydrogen at the cathode; oxygen at the anodeCopper at the cathode; oxygen at the anodeCopper at the anode; oxygen at the cathodeCopper at the cathode; sulfate at the anode6In the electrolysis of aqueous sodium chloride, which ions will be left behind in the solution?H+ and OH–Na+ and OH–H+ and Cl–Na+ and Cl–

The half-reaction that should occur at the anode during electrolysis of an aqueous potassium bromide solution isGroup of answer choices2Br– → Br2 + 2e–.Na+ + e– → Na.2H2O → O2 + 4H+ + 4e–.Br2 + 2e– → 2Br–.Na → Na+ + e–.

Predict the products formed at anode and cathode when the following molten compounds are electrolyzed.Sodium fluorideCopper (II) iodideZinc bromide

Identify from the list below the substance that will dissociate into ions.Br2(aq)H2O(l)NaOH(aq)NaCl(s)

Very dilute sodium chloride solution is electrolysed. Which test provides a positive result for the gas produced at the anode?