Is a reaction likely to occur in these situations and what is the net ionic equation

  1. 1. The problem statement, all variables and given/known data

    For each of the following situations, identify those for which a reaction is liely to occur. For those that do occur, write a net ionic equation

    a) Chromium dipped into silver nitrate.
    b) B) Gold immersed in hydrochloric acid.
    c) Nickel pellets dropped into calcium acetate, Ca(C2H3O2)2.
    d) Aluminum dropped into a bath of sulphuric acid.
    e) Zinc dipped into a solution of lead (II) nitrate.


    2. Relevant equations
    solubility charts


    3. The attempt at a solution
    I can't really figure out how to form a net ionic equation or how to get the charge but here is my attempt so far
    a) Cr(s) + 2 AgNO3(aq) -> Cr(NO3)2(aq) + 2 Ag(s)
    b) Au(s) + HCl(aq) -> no reaction
    c) Ni(s) + Ca(C2H3O2)2(aq) -> no reaction
    d) 2 Al(s) + 3H2SO4(aq) -> Al2(SO4)3 + 3 H2
    e) Zn(s) + Pb(NO3)2(aq) -> Zn(NO3)2(aq) + Pb(s)

    if anyone can look over this i'd really appreciate it
     
  2. jcsd
  3. Re: Is a reaction likely to occur in these situations and what is the net ionic equat

    i attempted to form the net ionic equations i'm just still not sure if this is correct.

    a) Chromium dipped into silver nitrate.
    Cr(s) + 2 AgNO3(aq) -> Cr(NO3)2 (aq) + 2 Ag(s)
    Therefore the net ionic equation is
    Cr(s)+2 + Ag(aq)+ -> Cr(aq)+2 + Ag(s)+
    b) Gold immersed in hydrochloric acid.
    Au(s) + HCl(aq)-> no reaction
    c) Nickel pellets dropped into calcium acetate, Ca(C2H3O2)2.
    Ni(s) + Ca(C2H3O2)2 -> no reaction
    d) Aluminum dropped into a bath of sulphuric acid.
    2 Al(s) + 3 H2SO4(aq) -> Al2(SO4)3 + 3 H2
    Therefore the net ionic equation is
    2Al(s)+3 + H2(aq)+ -> Al2(aq)+3 + H2(g)+
    e) Zinc dipped into a solution of lead (II) nitrate.
    Zn(s) + Pb(NO3)2(aq) -> Zn(NO3)2(aq) + Pb(s)
    Therefore the net ionic equation is
    Zn(s)+2 + Pb(aq)+2 -> Zn(aq)+2 + Pb(s)+2
     
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