Complete & Balance the Equation:

i) Zn + Cu(NO3)2 ->
ii) Ag + Mg(NO3)2 ->
iii) Al + HNO3 ->
iv) Mg + Fe(NO3)2 ->

My Answers:
i) 2 Zn + Cu(NO3)2 -> Cu + 2 ZnNO3
ii) Ag + Mg(NO3)2 -> No RXN
iii) Al + HNO3 -> Al(NO3)3 + NO + 2H2O
iv) Mg + Fe(NO3)2 -> Mg(NO3)2 + Fe

i think iii is wrong.

1 answer

i. No. Zn has a ++ valence, so product is Zn(NO3)2 . Redo equation
ii. ok
iii Nope: metals + acids>>hydrogen gas + metalcompound (Al(NO3)3)
iv. maybe,depends if in aq solution or not. I dont know where you are in CHEM. RX is ok if you just have studied reaction types, this is single displacement
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