Which balanced equation represents a redox reaction? (1) CuCO3(s) ==> CuO(s) + CO2(g) (2) 2KClO3(s)==>2KCl(s) + 3O2(g) (3) AgNO3(aq) + KCl(aq) ==>AgCl(s) + KNO3(aq) (4) H2SO4(aq) + 2KOH(aq)==> K2SO4(aq)

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asked Sep 16, 2017 161k views

1 vote

Which balanced equation represents a redox

reaction?
(1) CuCO3(s) ==> CuO(s) + CO2(g)
(2) 2KClO3(s)==>2KCl(s) + 3O2(g)
(3) AgNO3(aq) + KCl(aq) ==>AgCl(s) + KNO3(aq)
(4) H2SO4(aq) + 2KOH(aq)==> K2SO4(aq) + 2H2O(l)

Chemistry
high-school

Fish Monitor asked

by Fish Monitor

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Option no. 2 Balanced equation

2KClO3(s)⇒2KCl(s) + 3O2(g)
K=2 K=2
Cl=2 Cl=2
O=6 O=6

Shajji answered Sep 22, 2017

by Shajji

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