CHM 099 CHEMISTRY ASSESSMENT 7: UNIT 4 DUE: FRIDAY NOVEMBER 1, 2013 Record your answer in Moodle Identify the letter of the choice that best completes the statement or answers the question. ____ 1. a. SBr4 Choose the correct formula for silicon tetrabromide. b. SiBr4 c. SrBr4 d. SiBr7 e. SiBr9 ____ 2. a. ClO2 Choose the correct formula for dichlorine monoxide b. Cl2O c. CO2 d. Cl2O2 e. C2O ____ 3. formed. When nitrogen monoxide in the gas cylinder (1) reacts with air, nitrogen dioxide (2) is What are the formulas, respectively, for these two compounds? a. 1 - N2O, 2 - N2O2 b. 1 - NO, 2 - N2O c. 1 - NO, 2 - NO2 d. 1 - N2, 2 - NO e. 1 - N2O2, 2 - N2O4 ____ 4. Which of the following is the systematic name for the compound H2O? a. Dihydrogen oxide b. Dihydrogen monoxide c. Hydrogen hydroxide d. Monohydrogen hydroxide e. None of the choices is correct 1 ____ 5. Examine the name given on the following laboratory reagent container. The formula has been washed off the container. What formula should be placed on the container (?) and what is the formula of this acid? a. H2SO3 b. H2S c. H2SO4 d. HSO4 e. HSO3 ____ 6. a. HS Choose the correct formula for hydrosulfuric acid. b. HSO4 c. H2SO4 d. H2Se e. H2S ____ 7. Choose the correct name for H3PO4 ii. HSO3– iii. HCO3– a. dihydrogen phosphate b. trihydrogen phosphate c. hydrophosphoric acid d. phosphoric acid e. hydrogen phosphate ____ 8. Choose the correct formula for HI a. hydroioidic acid b. hydrogen iodic acid c. hydroiodous acid d. iodic acid e. iodous acid ____ 9. What are the formulas of the compounds magnesium sulfate and lithium bromite? a. Mg3(SO3)2, LiBr b. MgSO3, LiBrO3 c. MgSO3, Li2BrO3 d. MgSO4, LiBrO2 e. MgSO4, Li2BrO3 ____ 10. What are the names of the compounds ZnCO3 and LiNO2? a. Zinc carbonate, lithium nitrite b. Zinc carbonate, lithium nitrate c. Zinc(II) carbonate, lithium nitrite d. Zinc(II) carbonate, lithium nitrate e. Zinc(II) carbonate, monolithium nitrite 2 ____ 11. What are the formulas of the compounds cobalt(III) sulfate and manganese(II) hydroxide? a. Co2(SO4)3, MgOH2 b. Co2(SO4)4, Mg(OH)2 c. Co2(SO4)3, Mn(OH)2 d. Co2(SO4)2, Mn2OH e. CoSO4, Mn(OH)2 ____ 12. What are the formulas of the compounds calcium periodate and potassium nitrite? a. Ca(IO4)2, KNO2 b. Ca(IO3)2, KNO2 c. Ca(IO4)2, KNO3 d. Ca(IO3)2, KNO3 e. CaIO4, KNO3 ____ 13. What are the formulas of the compounds aluminum sulfide and ammonium chlorate? a. AlS, NH3ClO4 b. Al3S2, NH3ClO3 c. Al2S3, NH4ClO4 d. Al2S3, (NH4)2ClO3 e. Al2S3, NH4ClO3 ____ 14. The solution shown in the flask is being prepared by dissolving Ni(NO3)2 in water but the lab assistant has run out of this compound and needs to order more. What name should be looked for in the catalog to order more of this compound? a. nickel nitride b. nickel(II) nitrate c. nickel nitrate d. nickel nitrite e. nickel(II) nitrogen oxide ____ 15. a. Ba(OH)2 b. BaOH c. Br(OH)2 d. B(OH)2 e. B(OH)3 What is the formula of barium hydroxide? ____ 16. Name the following compound: HOCN a. Hydrocyanate acid b. Hydrocyanic acid c. Cyanate acid d. Cyanic acid e. Hydrocyanide acid 3 ____ 17. a. HCl b. HClO c. HClO2 d. HClO3 e. HClO4 Write the formula for hypochlorous acid ____ 18. a. PIO4 b. PIO3 c. PI4 d. PI3 e. SIO4 Write the formula for phosphorus triiodide ____ 19. Which of the following is classified as a particle (Ionic Compound)? i. SF6 ii. CaO iii. NH3 iv. NaOH v. BrO3 a. ii only b. ii and iv c. i and iii d. ii, iv and v e. i, iii, and v ____ 20. Classify the following compound: disulfur dichloride a. Ionic b. Nonacid molecular c. Acid molecular 4