Worksheet: Chemical Equations Double displacement Chemical Equations Double-displacement Reactions MULTIPLE CHOICE. Choose the one alternative that best completes the

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    20-Apr-2018

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  • Worksheet:ChemicalEquations&Double-displacementReactions

    MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.

    1) Giventheunbalancedequation: Al+ CuSO4 Al2(SO4)3 + CuWhenproperlybalanced,thesumofthebalancingcoefficientsis

    A) 7 B) 6 C) 9 D) 8

    1)

    2) Thefollowingreaction: Br2+2KI I2 + 2KBr,isanexampleofA) Decomposition B) CombinationC) Single-displacement D) Double-displacement

    2)

    3) Thefollowingreaction: Ca(OH)2+ HCl CaCl2 + 2H2O,isanexampleofA) Combination B) Double-displacementC) Single-displacement D) Decomposition

    3)

    PROBLEMS.ShowworkwithproperSignificantFiguresandUnitstoreceivecredit.

    4) A.Balancethefollowingchemicalequations:(noworkisrequired)

    ____SO2Cl2+____HI____H2S+____H2O+____HCl+____I2

    ____C6H11NO2+____O2____CO2+____H2O+____N2

    ____(NH4)3PO4+____Al2(SO4)3____AlPO4+____(NH4)2SO4

    B.Writetheformulaandbalancethefollowingwordequations:(hint:identifythediatomicelements):

    manganese(II)nitratemanganese(II)oxide+oxygengas+nitrogendioxide

    1

  • 5) Writetheformulaandbalancethefollowingwordequations:(hint:identifythediatomicelements)

    magnesium+nitrogengasmagnesiumnitride

    potassiumchloratepotassiumchloride+oxygen

    potassiumpermanganate+hydrochloricacidpotassiumchloride+manganese(II)chloride+water+chlorinegas

    chromium(III)hydroxide+perchloricacidchromium(III)perchlorate+water

    MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.

    6) CompleteandBalancethefollowingdouble-displacementreaction

    ____Na3PO4(aq)+____Mg(NO3)2(aq)

    PredictthereactionasA) Gas-evolvingReaction B) PrecipitationReactionC) NoReaction D) Acid-baseneutralization

    6)

    7) CompleteandBalancethefollowingdouble-displacementreaction

    ____HClO4(aq)+____Na2CO3(aq)

    PredictthereactionasA) Acid-baseneutralization B) PrecipitationReactionC) NoReaction D) Gas-evolvingReaction

    7)

    8) CompleteandBalancethefollowingdouble-displacementreaction

    ____Mn(OH)2(s)+____HBr(aq)

    PredictthereactionasA) Gas-evolvingReaction B) PrecipitationReactionC) Acid-baseneutralization D) NoReaction

    8)

    2

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