Question

Определить возможность протекания реакций, в ионном виде . а) Na2SO4+FeCl2-> б) BaCl2+K2SO4-> в)Cr+Ni(NO3)2 -> г)AgNo3+MgCl2-> д)Ag+H2SO4( разб) -> е)Ca(OH)2+HCl->

Answer 1

а)Na2SO4+FeCl2->FeSO4+2NaCl

б) BaCl2+K2SO4->BaSO4+2KCL

в)  Cr+Ni(NO3)2 -> Cr(NO3)3 + Ni

г)AgNo3+MgCl2-> AgCl+Mg(NO3)2

д) 2Ag+H2SO4 -> Ag2SO4(малорастворим) +H2

 е)Ca(OH)2+2HCl-> CaCl2+2H2O

 

  

Answer 2

Determining the Possibility of Reaction in Ionic Form

Let's analyze the given chemical reactions to determine the possibility of their occurrence in ionic form.

a) Na2SO4 + FeCl2 ->

The reaction between sodium sulfate (Na2SO4) and iron(II) chloride (FeCl2) can be represented in ionic form as follows: Na2SO4: 2Na^+ + SO4^2- FeCl2: Fe^2+ + 2Cl^- The possible ionic reaction can be represented as: 2Na^+ + SO4^2- + Fe^2+ + 2Cl^- -> 2Na^+ + 2Cl^- + FeSO4 The reaction is possible as it involves the exchange of ions.

b) BaCl2 + K2SO4 ->

The reaction between barium chloride (BaCl2) and potassium sulfate (K2SO4) can be represented in ionic form as follows: BaCl2: Ba^2+ + 2Cl^- K2SO4: 2K^+ + SO4^2- The possible ionic reaction can be represented as: Ba^2+ + 2Cl^- + 2K^+ + SO4^2- -> BaSO4 + 2KCl The reaction is possible as it involves the exchange of ions.

c) Cr + Ni(NO3)2 ->

The reaction between chromium (Cr) and nickel(II) nitrate (Ni(NO3)2) does not involve ionic compounds. Chromium is a metal, and nickel(II) nitrate is a molecular compound. Therefore, this reaction does not occur in ionic form.

d) AgNO3 + MgCl2 ->

The reaction between silver nitrate (AgNO3) and magnesium chloride (MgCl2) can be represented in ionic form as follows: AgNO3: Ag^+ + NO3^- MgCl2: Mg^2+ + 2Cl^- The possible ionic reaction can be represented as: Ag^+ + NO3^- + Mg^2+ + 2Cl^- -> AgCl + Mg^2+ + NO3^- The reaction is possible as it involves the exchange of ions.

e) Ag + H2SO4 ->

The reaction between silver (Ag) and sulfuric acid (H2SO4) does not involve ionic compounds. Silver is a metal, and sulfuric acid is a molecular compound. Therefore, this reaction does not occur in ionic form.

f) Ca(OH)2 + HCl ->

The reaction between calcium hydroxide (Ca(OH)2) and hydrochloric acid (HCl) can be represented in ionic form as follows: Ca(OH)2: Ca^2+ + 2OH^- HCl: H^+ + Cl^- The possible ionic reaction can be represented as: Ca^2+ + 2OH^- + 2H^+ + 2Cl^- -> 2H2O + Ca^2+ + 2Cl^- The reaction is possible as it involves the exchange of ions.

In summary, the reactions a), b), d), and f) can occur in ionic form, while the reactions c) and e) do not occur in ionic form.