Progress Check 2: Units C11 - C20
Quiz by Oxford Revise Chemistry
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50 questions
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- Q1What is the term used to describe the minimum amount of energy required before a collision will result in a reaction?bond energyreaction energyinput energyactivation energy60s
- Q2What name is given to two or more chemical cells connected in series?Users enter free textType an Answer60s
- Q3How does the potential difference of a cell depend on the metals that the electrodes are made of?the bigger the difference in reactivity, the smaller the potential differencethe smaller the difference in reactivity, the greater the potential differencethe smaller the difference in reactivity, the smaller the potential differencethe bigger the difference in reactivity, the greater the potential difference60s
- Q460s
- Q560s
- Q6What is the term used to describe the minimum amount of energy required before a collision will result in a reaction?Users re-arrange answers into correct orderJumble60s
- Q7How do catalysts increase the rate of a reaction?increases the surface area of reactants by breaking them apartlower the activation energy of the reaction, so more collisions result in a reactiontransfer energy to the reactants causing them to move faster leading to more collisionsreduces the space in the container reducing the space between reacting particles leading to more frequent collisions60s
- Q8What term is used to describe the point in a reversible reaction when the rate of the forward and reverse reactions are the same?Users re-arrange answers into correct orderJumble60s
- Q9Which of these reaction conditions CANNOT be changed?temperaturepressureconcentrationreactivity of elements60s
- Q10What is the effect of increasing pressure on a reaction at dynamic equilibrium?favours the reaction that leads to the fewest moleculesfavours the reaction that leads to the most moleculesstays the same, does not favour any side of the reactionfavours the forward reaction60s
- Q11What is the effect of decreasing temperature on a reaction at dynamic equilibrium?favours the endothermic reactionfavours the reaction that leads to the most moleculesfavours the exothermic reaction60s
- Q12What term is used to describe hydrocarbons that only have single bonds?alkanesfractionsalkeneshaloalkenes60s
- Q13What term is used to describe the breaking down of a long chain hydrocarbon into smaller molecules?Users enter free textType an Answer60s
- Q14Which are more reactive, alkanes or alkenes?neither are reactivealkanesequal reactivityalkenes60s
- Q15How can you test for alkenes?alkenes turn orange bromine water colourlessalkenes decolourise cobalt chloride paperalkenes turn red iodine water dark bluealkenes turn biuret solution lilac60s