Answer Q18, 19, 20 equilibrium the partial pressure of N:O wasfound to be 0.15 atmospheres. If Kp for thereaction NO.(g)=2NO:g)is 48 atmospheres, the partial pressure of NO, inatmospheres in the equilibrium mixture at 100°Ccalcium chloride, CaCl, in 100 cm' of solution(RAM: Ca-40; CI-35.5)SOLA]0 20 (B] 0 02 (CJ0.10 [D] 0.0110.The atomic number of manganese is 25correct electronic configuration Tormanganese in Mn0, is(A][Ac]3d'4s* [B] [Ar]3d²4s"[C][Ar3d*4s' [D][Ar]3d°4s°Given the total bond enthalpy terms in kJmol' for the following substances.Cyclohexene =+6471Hydrogen =+436Cyclohexane = +7032What would be the enthalpy change for theTheisNaLA] 2.68 (B] 7.20 [C] 0.56 (D] 1.08The halogen molecule with the lowestbond dissociation enthalpy is likely to he[A] F2 [B] Cl; [C] Br2 [D] I:17.16.1.NaA positive deviation from Raoult's lawcould be obtained from a solution of(A] Methanol and water [B] Ethanol and water[C] Methanoic acid and water [D] Nitric acdand waterNareaction?QUESTIONS: 18-31DIRECTIONS: Each group al ne quIesonsconsists of four lettered headings followed by listof numbered questions. for ench numberedquestion select the heading which is most closelyrelated to it. Each heading may be used once.Soch|A] -997 [B] -125 (C +125 (D] +997Markownikoff adition involvesJAL Unsymnetrical alkenes andunsymnmetrical reagents[B] Unsymmetrical reagents[C]. Unsyminetrical alkenes[DJ. SymmetriIcal alkenes and unsymmetrical[BIC[DSe23[A2412.more than once or not at allQuestion 18 -22 concern the followingorganic compoundsOHA C -Creagents25CH,Given the following data:Cuan) +e= Cu E° = +0.15VCu + 2e Cu E = +0.34VFrom the data above it could be deduced thefAJ The e m fof the cell formed by the twelectrodes is-019 V[B]. The cell diagram isCus/Cuag) Cuaa) , Cuan)/PtThe mass of Cu is decreasing as the cell13.HO26( C-c-C-0-CH,-C,HsSelect from A to D the compound whichForms methamol on watming with18.concentrated sulphuric acid(A) [B] [C] [D]27hech19.Is optically active[A] [B] [C] (D)[C).operate[D]. Cu (ay) will disproportionate in aqueous20.On oxidation forms a ketone[A] [B] [C] [D]solution21.Reduces silver ions in ammoniacal siiverThe concentration in möldm when 5.21g of sulphamic acid. NH2SO;H is dissolved in250 cm' of sulution is (RAM: N=14, S-32,O=16 H=1LAJ U.U [DJU.44 |JU.IU [DJ U.2115.14.nitrate(A] [B] [C] [D]22.ith potassinm inlid. seslatin l limForms a yellow precipitate on reactionchlorate(1) (sodium nypocntorite)One mole of N2O4 was allowed to[A] [B] [C] [D]dissociate and reach equilibrium at 400°C. Al29

equilibrium the partial pressure of N:0, wa found to be 015 atmospheres. If Kp for the reaction N;O.(g)32NO:g) is 48 atmospheres, the partial pressure of NO, im atmospheres in the equilibrium mixture at -100°C is SEAM 100 cm' of solution Qu SO ID] 0.01 of manganese is 25 configuration for 4s LA] 2.68 (B] 7.20 (C]0.56 [D] 1.08 Na 16. The halogen molecule with the lowest bond dissociation enthalpy is likely to be [A] F2 [B] Cl; [C] Br2 [D] I: d enthalpy terms in kJ Na stances. 17. A positive deviation from Raoult's law could be obtained from a solution of (A) Methanol and water [B] Ethanol and water [C] Methanoic acid and water [D] Nitric acd and water alpy change for the QUESTIONS: 18-31 So DIRECTIONS: Each group al te quesnons consists of four lettered headings foflowed by list ch of numbered questions. for cach numbered question select the heading which is most closely (B related to it Each heading may be used onee. IC e5 (D] +997 ition involves enes and ID more than once or not t all Se 23 [A 24 Question 18 -22 concern the following gents organic compounds HH enes H. es and unsymmetrical --OH CI, CH;CH, 25 [A 26 he CH g data: = +0.15V HO = +0.34V 0-CH, CH, uld be deduced the Select from A to D the compound which Forms methanol on warming with ll formed by the two 18. 27 he concentrated sulphuric acid (A) [B) (C) [D] Is optically active (A] [B][C] [D] On oxidation forms a ketone [A] [B] [C] [D] 2+ Cag) . Cuag)/Pt decreasing as the cell 19. A. 20. portionate in aqueous 21. Reduces silver ions in ammoniacal siiver in moldm when 5.21 SO,H is dissolved in nitrate (A] [B] [C] [D]

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...