1 | P a g e CHEMISTRY 101 IVY TECH MIDTERM EXAM 2024 NEWEST ACTUAL EXAM COMPLETE 200 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+ Which compound would not form ions in the complete ionic equation? a. PbI2 b. KNO3 c. Pb(NO3)2 d. KI e. All compounds form ions in the complete ionic equation - ....ANSWER...A Which of the following statements about redox reactions is FALSE? 2 | P a g e a. Oxidation is the loss of electrons b. Reduction is the gain of electrons Correct! c. A reaction can res ult in either oxidation or reduction, not both d. A reaction involving elemental oxygen is a redox reaction e. All of the above statements are true - ....ANSWER...C What must be supplied for a decomposition reaction to happen? a. energy b. heat c. electr ical current d. light e. any of the above - ....ANSWER...E Considering the following precipitation reaction: Pb(NO3)2 (aq) + 2KI(aq) ⟶ PbI2 (aq) + 2 KNO3 (aq) Which ion(s) would NOT be spectator ions? 3 | P a g e a. Pb2+, NO3 - b. K+, I - c. NO3 -, Pb2+ d. Pb2+, I - e. All the above ions are in the net ionic equation. - ....ANSWER...D A redox reaction has occurred ______. a. when a substance reacts with elemental oxygen b. when an alkali metal reacts with an alkaline earth metal c. when one substance transfers protons to another d. when one substance forms a solid e. when all of the above occur - ....ANSWER...A What are the coefficients for the following reaction when it is properly balanced? ___NaPO4 +___ Ba(NO3)2 ⟶ ___ NaNO3 + ___Ba3(PO4)2 a. 2,1,1,3 4 | P a g e b. 2,3,1,6 c. 2,3,6,1 d. 6,1,3,2 e. none of the above - ....ANSWER...C Which of the following compounds is insoluble? a. aluminum hydroxide b. aluminum sulfide c. aluminum carbonate d. aluminum sulfate e. none o f the above - ....ANSWER...B Which of the following would NOT be a product from mixing hydrochloric acid with a solution of sodium sulfite? a. H2O (l) b. SO2 (g) c. NaCl (aq) d. H2 (g) e. none of the above - ....ANSWER...D
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