HNO2 + KOH H2O + K+ + NO2- → HNO2 + OH- H2O + NO2- → HNO2 + K+ + OH- H2O + KNO2 → D) H+ + OH- H2O → E) H+ + NO2- + K+ + OH- H2O + K+ + NO2- → Which of the following is soluble in water at 25 °C? Fe3 (PO4)2 Fe(OH)2 Fe(NO3)2 FeS Which of the following is insoluble in water at 25 °C? Mg3(PO4)2 Na2S (NH4)2CO3 Ca(OH)2 Ba(C2H3O2)2 one of the following compounds is insoluble in water? Na2CO3 K2SO4 Fe(NO3)3 ZnS AgNO3 When aqueous solutions of __________ are mixed, a precipitate forms. NiBr2 and AgNO3 NaI and KBr K2SO4 and CrCl3 KOH and Ba(NO3)2 Li2CO3 and CsI Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? calcium nitrate sodium bromide lead nitrate barium nitrate sodium chloride Separate samples of a solution of an unknown salt are treated with dilute solutions of HCl, H2SO4, and NaOH. A precipitate forms in all three cases. Which of the following cations could the solution contain: K+ Ag+ Ba2+ Na+ None of the above
HNO2 + KOH → H2O + K+ + NO2- HNO2 + OH- → H2O + NO2- HNO2 + K+ + OH- → H2O + KNO2 D) H+ + OH- → H2O E) H+ + NO2- + K+ + OH- → H2O + K+ + NO2- Which of the following is soluble in water at 25 °C? Fe3 (PO4)2 Fe(OH)2 Fe(NO3)2 FeS Which of the following is insoluble in water at 25 °C? Mg3(PO4)2 Na2S (NH4)2CO3 Ca(OH)2 Ba(C2H3O2)2 one of the following compounds is insoluble in water? Na2CO3 K2SO4 Fe(NO3)3 ZnS AgNO3 When aqueous solutions of __________ are mixed, a precipitate forms. NiBr2 and AgNO3 NaI and KBr K2SO4 and CrCl3 KOH and Ba(NO3)2 Li2CO3 and CsI Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? calcium nitrate sodium bromide lead nitrate barium nitrate sodium chloride Separate samples of a solution of an unknown salt are treated with dilute solutions of HCl, H2SO4, and NaOH. A precipitate forms in all three cases. Which of the following cations could the solution contain: K+ Ag+ Ba2+ Na+ None of the above
Ch_4.1-4.4_exam_review_2014-2015.docx