question archive What type of reaction when react Ni(s) with H3PO4(aq)? balance equation
What type of reaction when react Ni(s) with H3PO4(aq)? balance equation
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What type of reaction when react Ni(s) with H3PO4(aq)? balance equation
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Ni(s) + H3PO4(aq) --> H2(g) + Ni3(PO4)2
Ni(s) + 2 H3PO4(aq) --> H2(g) + Ni3(PO4)2
3 Ni(s) + 2 H3PO4(aq) --> 3 H2(g) + Ni3(PO4)2
This is a single replacement reaction because an element reacts with a compound to produce a different element and a different compound. Note that this is also a redox reaction since nickel is oxidized (its oxidation number changes from 0 to +2) and hydrogen is reduced (its oxidation number changes from +1 to 0).
