Question

In your adventure across pulau seribu you are stranded in one of the islands. The cell phone was out of range and the only communication was radio’s boat. The battery happened to be dead. You have to construct   1.5 Volt voltaic cells to be use as substitutes for radio’s dead batteries. The materials available were as follow (Assume that coconuts make great beakers and that seawater is a terrific electrolyte!)
Metal/Metal ion E lead/lead(II) (fishing weights) –0.126
iron/iron(II) (the anchor) –0.44
silver/silver(I) (Lady’s brooch) –0.799
aluminum/aluminum(III) (the boat’s flagpole) –1.677

Answer 1

363 The cell can be constructed by using Lead / Lead (IT) as cathode ano Aluminium / Aluminium Cully as. anode: Al(s)/A1309) || Pb2+ (aq) 1Pb(s) E cell = E8-E ={-0.126-(-1677)? Volt = 1.551 Valk. Anode reaction + Al(s)-> 413+(99) + 3e Cathode 99 Pb²+ (aq) a ze Pb(s) Cell reaction = 2A1C5) + 3 Pb2tcaq) + 2413+(29) +3Pb(5)