Considering the following precipitation equation Pb(NO_3)_2 (aq) * 2 Kl(aq) righ

Question

Considering the following precipitation equation Pb(NO_3)_2 (aq) * 2 Kl(aq) rightarrow Phl_2(s) + 2KNO_3(aq) What is the correct complete ionic equation? A) Pb^2+ + 2NO^-_3 + 2K^+ + 1 = rightarrow Pbl_2 (s) + 3K^+ + NO_3^- B) Pb^2+ + 2 NO_3^- + 2K^+ + 21^- rightarrow Pb^2+ + 2b^2+ + 2 F + 2K^+ + 2NO^-_3 C) Pb^2+ + 2NO_3^- + 2K^+ + 21^- rightarrow Pbl_2 (s) + 2K^+ + 2NO_3^- D) Pb^2+ + (NO_3)_2^- + 2K+ + 21^- rightarrow Pbl_2 (s) + 2 K^+ + 2NO_3^- E) None of the above Which is a spectator ion from the following complete ionic equation H^+ (aq) + Br^- (aq) + K^+ (aq) + K^+ (aq) + OH^- (aq) rightarrow H_2 O(l) + K^+ (aq) + Br^- A) OH^- B) H^+ C) H_2 O D) K^+ E) none of the above

Explanation / Answer

Q47.

the type of reaction :

AB --> A + B

is decomposition

since 1 moleucle forms 2 molecules, i.e. A+ B

from the list, choose B

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