Exam II with Answer Key - General Chemistry | CHEM 101, Exams of Chemistry

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CHEM 101 Exam 2 Student: I Multiple Choice (20 points) 1. Which of these compounds is a strong electrolyte? ae ~ strony base > v. soly ble roave compound ~ N2 C. CH3;COOH (acetic acid) CF. Sedat sdext UAH D. C2H¢60 (ethanol) (Kon 2, Which of these compounds is a weak electrolyte? AHCI . Benicoon (acetic acid) weak aced = weak electrolyte . C6205 (glucose) . FT Do 6s slide? >, Tek yp. HAIR Me. B, NaCl 3. Which of these compounds is a nonelectrolyte? A. NaOH HNO ‘ : Oeitoceano not tong. Shide 35 sldet 5 Sample problen “2 (methanol ) E CHsCOOH {acetic acid) 4, Identify the reducing agent in the chemical reaction d + NiO» + 2H,O > Cd(OH) + Ni(OH)s. pe, Ca Ca lay eo one C. H,0 we reducing ageat D. Ca(OH), E. Ni(OH)2 5. Sulfur dioxide reacts with chlorine to produce thionyl chloride (used as a drying agent for inorganic halides) and dichlorine oxide (used as a bleach for wood pulp and textiles). $02(g) + 2Cla(g) > SOCh(g) + ChO(g) If 0.400 mol of Cl, reacts with excess SO2, how many moles of Cl,O are formed? A. 0.800 mol Imol CL,0 . 0.400 mol 2 0.200 mol O.4 mol Cl, * Tel > O.2md CLO D. 0.100 mol 2 mo E. 0.0500 mol