Need help with thee questions Which of the following statements concerning elect

Question

Need help with thee questions Which of the following statements concerning electrolytes and nonelectrolytes is/are true? Some molecular substances are electrolytes All electrolytes are ionic substance. Strong electrolytes partially ionize in solution. 1 only 2 only 1 only 3 2 only 3 Which of the following combinations will produce a precipitate? AgNO_3(aq) and HCl(aq) FeCl_3(aq) and Na_2CO_3 (aq) NaOH(aq) and K_3PO_4(aq) 1 only 2 only 3only 1 only 2 1, 2 only 3 A precipitate will from when aqueous nickel (II) chlorde is added to an aqueous solution of_. Stl_2 Cu(NO_3)_2 KOH Na_2SO_4 NABr Write a balanced chemical equation for the reaction of aqueous solution of sodium sulfide and zinc(II) chloride No reaction occurs. A precipitate will form when aqueous Pb(NO_3) is added to an aqueous solution of_. Cu(NO_3)_2 Nal NaCH_3CO_2 Pb(ClO_4)_2 KNO_3 Which of the following would not be depicted as the individual ions on the tractate side of a complete ionic reaction? RbOH HCl MnCl_2 CH_3COOH CoCl_3 Ionic and molecular compounds that form ions in aqueous solution are called. Indicate the answer choice that best completes the statement or answer the question.

Explanation / Answer

22. D

In reaction 1 silver chloride is produced which is water insoluble and hence precipitation occur.

In reaction 2 carbonate of iron is produced which is insoluble in water and hence precipitation occur.

In reaction 3 sodium phosphate is produced which is soluble in water and hence there is no precipitation.

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