Reactivity Series

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Reactivity in water and dilute acids

Potassium- rolls on water, pink flame produces hydrogen gas

Sodium- rolls on water, orange flame produces hydrogen gas

Calcium- vigorous reaction produces hydrogan gas (reacts vigorously more than with water)

Lithium- fizzes, effervesence, moves on surface produces hydrogen gas

Copper- does not react

Iron- does not react (very slightly bubbled)

Zinc- does not react (small bubbles produced)

Magnesium- does not react (gas produced)

( Reaction with dilute HCl)

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Displacement reactions

A displacement reaction is where a more reactive metal displaces a less reactive metal from a compound. In other words a metal higher up in the reactivity series will 'push out' a metal lower in the series. 

Most Reactive

Mg

Zn

Fe

Cu 

Least Reactive

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Redox reactions

A reduction and oxidation ie something has oxidised and something has reduced at the same time

xidation

s

oss of electrons

eduction

s

ain of electrons

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