Metal & Acid Reactions as Redox Reactions (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Flashcards
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Type of reaction: metal + acid
Type of reaction: metal + acid
Redox reaction
What happens to metal in metal-acid reaction?
What happens to metal in metal-acid reaction?
Oxidised (loses electrons)
What happens to in metal-acid reaction?
What happens to in metal-acid reaction?
Reduced (gains electrons)
Products of metal + acid
Products of metal + acid
Salt + hydrogen gas
Zn loses how many electrons in Zn + HCl reaction?
Zn loses how many electrons in Zn + HCl reaction?
Two electrons
Metal's role in metal-acid redox
Metal's role in metal-acid redox
Reducing agent (donates electrons)
Acid's role in metal-acid redox
Acid's role in metal-acid redox
Oxidising agent ( accepts electrons)
What determines salt identity?
What determines salt identity?
Metal and acid used
Salt from Na + HCl
Salt from Na + HCl
Sodium chloride ()
What acids do highly reactive metals (Na, Li, Mg) react with?
What acids do highly reactive metals (Na, Li, Mg) react with?
Weak or dilute acids
What acids do less reactive metals (Cu, Hg, Ag) need?
What acids do less reactive metals (Cu, Hg, Ag) need?
Strong and concentrated acids
Metal that won't react with acids
Metal that won't react with acids
Platinum
Tool to predict metal-acid reactions
Tool to predict metal-acid reactions
Reactivity Series
How Mg and Zn react with acids
How Mg and Zn react with acids
Readily
Salt from Na +
Salt from Na +
Sodium sulphate ()