8. Which of the following chemical equations is correct to represent the reactio

Question

8. Which of the following chemical equations is correct to represent the reaction of: Barium chloride reacts with iron (III) phosphate to produce barium phosphate and iron (III) chloride.

a. 3 BaCl2 + 2 FeP2 Ba3P2 + 2 FeCl3 b. 3 Ba(ClO3)2 + 2 FePO4 Ba3(PO4)2 + 2 Fe(ClO3)3 c. 6 BaCl + 2 FePO4 2 Ba3PO4+ 2 FeCl3 d. 3 BaCl2 + 2 FePO4 Ba3(PO4)2 + 2 FeCl3 e. None of these

9. Which of the following is a weak acid? a. HCl b. Ba(OH)2 c. NH3 d. HF e. NaCl 10. What is the difference between the net ionic equations for the following two reactions?

HBr + KOH KBr + H2O HNO3 + LiOH LiNO3 + H2O

a. The spectator ions are different. b. KBr is formed in one case and LiNO3 is formed in the other. c. Both equations include strong acids and strong bases. d. One equation is balanced and one is not. e. There is no difference in the net ionic equations.

Explanation / Answer

8) d. 3 BaCl2 + 2 FePO4 Ba3(PO4)2 + 2 FeCl3

9) Ba(OH)2   is strong base so weak base.

both have same net ionic equation

H+ + -OH -----------=> H2O

e. There is no difference in the net ionic equations.

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