Verslag practicum redox VWO5 (scheikunde)

Practicum Redox/batterij




Namen: Thom Mulder & Babette Rosendaal
Klas: u5vc
Vak: scheikunde
Docent: Mathijs Lippens
Datum: 15 – 01 – 2023

, Inhoudsopgave
Inleiding ........................................................................................................................................................... 3

Hypothese ........................................................................................................................................................ 3

Achtergrondinformatie .................................................................................................................................... 3

Werkplan ......................................................................................................................................................... 4
Proef A: batterij .................................................................................................................................................. 4
Benodigdheden: ............................................................................................................................................ 4
Stappenplan:.................................................................................................................................................. 4
Proef B: verschillende redoxreacties ................................................................................................................... 5
B1: koperpoeder in salpeterzuur ................................................................................................................... 5
B2: koper in zilvernitraat ............................................................................................................................... 5
B3: waterstofperoxide met bruinsteen ......................................................................................................... 5
B4: aangezuurde kaliumpermanganaat bij ijzer(II)sulfaatoplossing.............................................................. 5
B5 (DEMO): ethanol en aangezuurde ammoniumdichromaat-oplossing...................................................... 5

Uitwerkingen ................................................................................................................................................... 6
Proef A: batterij .................................................................................................................................................. 6
Halfreacties: ................................................................................................................................................... 6
Schematische tekening: ................................................................................................................................. 6
Kleurverandering: .......................................................................................................................................... 6
Bronspanning:................................................................................................................................................ 6
Proef B: verschillende redoxreacties ................................................................................................................... 7
B1: koperpoeder in salpeterzuur ................................................................................................................... 7
B2: koper in zilvernitraat ............................................................................................................................... 7
B3: waterstofperoxide met bruinsteen ......................................................................................................... 7
B4: aangezuurde kaliumpermanganaat bij ijzer(II)sulfaat ............................................................................. 7

Conclusie .......................................................................................................................................................... 8

Discussie .......................................................................................................................................................... 8

Bronnen ........................................................................................................................................................... 9




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