Answer Q18, 19, 20, 21 (B) 364 (C) + 800 ) -276fast(A) -800HOl + Hn) + )What type of reactions is this?Acid-base9.What method could be used to obtam the14.value +590 kJ?(A)(BY(C)(D)(A)Electrolytic methodElectron bombardment methodMass spectrometryBomb calorimetryWhich statenent among the followingCondensationPrecipitationRedoxWhich of the following equations represents(B)(C)15.correctly the rate-determining step?(AT10.concerning CaCI(s) is true?(A) lrcontains chlorine in its highest oxidation state(B(C)oxjdation state(D)(B)Hag) + Ola) - HOI(aq)It is unstable with respect to CaCI (s)It contains calcium in its most usual(C)HOlaq) + Han) + ag) - H,0u) + Iz(aq)(D)21an) + H202(aq) + 2Ha) Iz(aq) +2H,00)It is the usual chloride of calciumThe energy value 800k is called16.Which of the following conclusions about11.(A) lonisation energy(B)O Lattice energy(D) Hydration energythe rate of the reaction can be drawn from theover-all equation of the reaction?Enthalpy of formationRate is proportional to the concentration of(A)iudide ionThe equation for the preparation of Teflon(13)Rate is proportional to the concentration of12.from tetrafluoroethene isn(CF, = CF2) - (-CF, - CF-)nFrom this equation, it can be deduced that "Teflon"(A)Has a different empirical formula fromtetrafluoroetfiene(B) Can decolourise bromine water(C) Is a highly reactive compoundDTIS an addition polymertıydrogen peroxide(C)the hydrogen ion(D)the jodide ions and the hydrogen peroxide.Fate is proportional to the concentration ofRate is proportional to the concentration ofWhich one of the following methods couldNOT be used to determine the rate of this reaction?Measurement of the concentration of17.(A)hydrogen ions by a suitable titration methods(B)of the solution13.The systematic name for the compoundMeasurement of the electrical conductivityshown belowCHICH(OH)CH(CH)CH IsLAT(B)(C)(D)Measurement of the mass of water fomed3-methylbutan-2-ol3-methlylbutyl alcohol2-hydroxypentane2-methyl hexan-1-ol(C)by absorption onto anhydrous calcium chloride(D)intensity of the solutionMeasurement of the change in colourQuestions 14-17The reaction of iodide ions with hydrogen peroxidein acid solution can be represented by the equation21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1)The reaction is believed to occur stepwise as shownbelowQuestions 18-21In a laboratory experiment to determine theenthalpy change (AH) for the reaction between zincand aqueous silver nitrate, the data below wereobtainedMass of zine (RAM = 65) in excess = 1.00gValume of 0 20 mol dm aqueous silver nitrate =aq) + H,02(a4) H20 +01(aq)fastHOl(aq)20.0 cmTeinperature rise =8.8°CHam + 0) (A)(B) (D)Which of the following is the most suitableQuestions 27 to 31 concern the lollowing organiccompounds(A) THOOCCHCHCOOH(C) CllEN',CI18.vessel in which to perfom the experiment?(A)(B)(C)Conical tlaskEvaporating basinGlass beakerPolythene flask(B) CCHOHCHCH.CCH(D)Seleet from A to D the compound that couldGive a positive iodoform test19.The number of moles of silver that would he0.c6dn3 27.(A)00llprecipitated is02 Md(C)(D)0.20 x 50.0 S1000(A)0.20 x 50.0 1828.Exhibit geometric isomerism020x500020x50(D)1000x2(C)(D)(B)React with phenol to give a coloured(C)AT29.What would be the temperature rise if 25.0cm of 0.20mol dm of silver nitrate vere used in20.compound.(D)(B) C)Haye optical isomers(C)React with ammoniacal Copper ti) chloridelo form a red-brown precipitate.(C) A)the experiment? 2 e 6 S30.2 2°C (BT4 4C(C) 8.8°C (D) 17.6°CThe enthalpy change AlH (in kInol y for thereaction given the specifie heat capacity of thesolution as 4.2JcmC- is expressed as(A)(A)(D)21.31(A) (B)Questions 32and 33 concem on the followinggraphs50.0x4.2XRB(A1-50.0 x 4.2 x 8.8SO OND 20IC) +50.0 x 4,2 x 8.8 (D)50.0-0.20On licating, 131g of calcium carbonate gave22.0.69g of calcium bxide, CaO.(Ca=40, C=12, O=16)CaCOs) CaOs) + CO 8)The percenlage yield for this reaction isTA! 567D1 106 46Qrestions 23-26 concern I moldm solutions ofA) Lthanoie acid (B) Sodium hydroxide(CJAmimoniaSelect from A to D the substance, which has theproperny indicated23.94 52 (C)56.00(D)Hydrochloric acidThe solution that has the lowest pFl value(C) )The solution which when added tocoppert il) sulphate gives a pale-blue precipitate.When excess of the solution is added to theprecipitate, a deep blue solution results(D)T. nlutire urhich contains the least(A)(B)Select from A to D the graph thatCould be the variation of the concentrationof a reactant with time as the reaction proceeds24.32.(B)Could represent the variation of pressurewith volume for a given nass of gas at constant(C)(D)(A)(B)ses33.Tuniber ol hydrogen ons(B)(C) (D)The solution that is a Lewis base(B)26.34.In the reaction.

Question

Answer Q18, 19, 20, 21 (B) 364 (C) + 800 ) -276fast(A) -800HOl + Hn) + )What type of reactions is this?Acid-base9.What method could be used to obtam the14.value +590 kJ?(A)(BY(C)(D)(A)Electrolytic methodElectron bombardment methodMass spectrometryBomb calorimetryWhich statenent among the followingCondensationPrecipitationRedoxWhich of the following equations represents(B)(C)15.correctly the rate-determining step?(AT10.concerning CaCI(s) is true?(A) lrcontains chlorine in its highest oxidation state(B(C)oxjdation state(D)(B)Hag) + Ola) - HOI(aq)It is unstable with respect to CaCI (s)It contains calcium in its most usual(C)HOlaq) + Han) + ag) - H,0u) + Iz(aq)(D)21an) + H202(aq) + 2Ha) Iz(aq) +2H,00)It is the usual chloride of calciumThe energy value 800k is called16.Which of the following conclusions about11.(A) lonisation energy(B)O Lattice energy(D) Hydration energythe rate of the reaction can be drawn from theover-all equation of the reaction?Enthalpy of formationRate is proportional to the concentration of(A)iudide ionThe equation for the preparation of Teflon(13)Rate is proportional to the concentration of12.from tetrafluoroethene isn(CF, = CF2) - (-CF, - CF-)nFrom this equation, it can be deduced that &#34;Teflon&#34;(A)Has a different empirical formula fromtetrafluoroetfiene(B) Can decolourise bromine water(C) Is a highly reactive compoundDTIS an addition polymertıydrogen peroxide(C)the hydrogen ion(D)the jodide ions and the hydrogen peroxide.Fate is proportional to the concentration ofRate is proportional to the concentration ofWhich one of the following methods couldNOT be used to determine the rate of this reaction?Measurement of the concentration of17.(A)hydrogen ions by a suitable titration methods(B)of the solution13.The systematic name for the compoundMeasurement of the electrical conductivityshown belowCHICH(OH)CH(CH)CH IsLAT(B)(C)(D)Measurement of the mass of water fomed3-methylbutan-2-ol3-methlylbutyl alcohol2-hydroxypentane2-methyl hexan-1-ol(C)by absorption onto anhydrous calcium chloride(D)intensity of the solutionMeasurement of the change in colourQuestions 14-17The reaction of iodide ions with hydrogen peroxidein acid solution can be represented by the equation21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1)The reaction is believed to occur stepwise as shownbelowQuestions 18-21In a laboratory experiment to determine theenthalpy change (AH) for the reaction between zincand aqueous silver nitrate, the data below wereobtainedMass of zine (RAM = 65) in excess = 1.00gValume of 0 20 mol dm aqueous silver nitrate =aq) + H,02(a4) H20 +01(aq)fastHOl(aq)20.0 cmTeinperature rise =8.8°CHam + 0) (A)(B) (D)Which of the following is the most suitableQuestions 27 to 31 concern the lollowing organiccompounds(A) THOOCCHCHCOOH(C) CllEN',CI18.vessel in which to perfom the experiment?(A)(B)(C)Conical tlaskEvaporating basinGlass beakerPolythene flask(B) CCHOHCHCH.CCH(D)Seleet from A to D the compound that couldGive a positive iodoform test19.The number of moles of silver that would he0.c6dn3 27.(A)00llprecipitated is02 Md(C)(D)0.20 x 50.0 S1000(A)0.20 x 50.0 1828.Exhibit geometric isomerism020x500020x50(D)1000x2(C)(D)(B)React with phenol to give a coloured(C)AT29.What would be the temperature rise if 25.0cm of 0.20mol dm of silver nitrate vere used in20.compound.(D)(B) C)Haye optical isomers(C)React with ammoniacal Copper ti) chloridelo form a red-brown precipitate.(C) A)the experiment? 2 e 6 S30.2 2°C (BT4 4C(C) 8.8°C (D) 17.6°CThe enthalpy change AlH (in kInol y for thereaction given the specifie heat capacity of thesolution as 4.2JcmC- is expressed as(A)(A)(D)21.31(A) (B)Questions 32and 33 concem on the followinggraphs50.0x4.2XRB(A1-50.0 x 4.2 x 8.8SO OND 20IC) +50.0 x 4,2 x 8.8 (D)50.0-0.20On licating, 131g of calcium carbonate gave22.0.69g of calcium bxide, CaO.(Ca=40, C=12, O=16)CaCOs) CaOs) + CO 8)The percenlage yield for this reaction isTA! 567D1 106 46Qrestions 23-26 concern I moldm solutions ofA) Lthanoie acid (B) Sodium hydroxide(CJAmimoniaSelect from A to D the substance, which has theproperny indicated23.94 52 (C)56.00(D)Hydrochloric acidThe solution that has the lowest pFl value(C) )The solution which when added tocoppert il) sulphate gives a pale-blue precipitate.When excess of the solution is added to theprecipitate, a deep blue solution results(D)T. nlutire urhich contains the least(A)(B)Select from A to D the graph thatCould be the variation of the concentrationof a reactant with time as the reaction proceeds24.32.(B)Could represent the variation of pressurewith volume for a given nass of gas at constant(C)(D)(A)(B)ses33.Tuniber ol hydrogen ons(B)(C) (D)The solution that is a Lewis base(B)26.34.In the reaction.

Accepted Answer

Answered: Image /qna-images/answer/ca578071-5243-414d-861b-ed1c90408063.jpg