Determine the element that is oxidized, the element that is reduced, the oxidizing and reducing agents...

Determine the element that is oxidized, the element that is reduced, the oxidizing and reducing agents for the following redox reactions:

2Al(s) + 3H2SO4(aq) -> Al2(SO4)3(aq) + 3H2(g)

B) 5S + 6KNO3 + 2CaCO3 -> 3K2SO4 + 2CaSO4 + CO2 + 3N2

Solutions

Expert Solution

2Al(s) + 3H2SO4(aq) -------------> Al2(SO4)3(aq) + 3H2(g)

Oxidation : 2 Al -------------> Al2(SO4)3

0 +3 --------------> oxidation state

reduction : H2SO4 -----------> H2

+1 0 --------------> oxidation state

element Oxidized : Al

Reduced : H2

Oxidizing agent : H2

reducing agent : Al

B) 5S + 6KNO3 + 2CaCO3 -> 3K2SO4 + 2CaSO4 + CO2 + 3N2

Oxidation : 5 S -----------> K2SO4

reduction : KNO3 -----------> N2

oxidized : S

reduced : KNO3

oxidizing agent = KNO3

reducing agent = S

queen_honey_blossom answered 1 year ago

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