Chemistry Fsc Part 1 Chapter 7 Online Test With Answers

Chemistry Fsc Part 1 Chapter 7 Online Test

Sr. # Questions Answers Choice
1 Half life of zero order reaction is Constant Proportional to [A] Inversely proportional with [A] Independent to rate constant
2 Half life of first order reaction  Become zero Increases with [A] Is independent of [A] Decreases with [A]
3 Half life is time is which Rate becomes zero Concentration reduces to 1/4 Concentratio reduces to half Product is half formed
4 First order reactions are best studies using. log [A] vs time Pressure vs time [A] vs time Titriation
5 Rate constant dependent of Time Temperature Concentration Catalyst
6 Reaction rate by conductometry depends on Ionic conductivity Pressure colour Temperature
7 In color change reactions, which method is best Colorimetry Titration Conductometry Manometry
8 For gaseous reactions, rate is ofter monitored by  Mass change pH change Pressure change Temperature change
9 Rate constant can be determined by  Titration spectroscopy conductometry all of these
10 Which unit is common for all orders mol dm-3 No common unit J mol -1 s-1
11 k has unit s-1 for First order Second order Third order zero order
12 Unit of k for second order reaction is mol dm-3 s-1 mol-1 dm3 s-1 mol -2 dm<sup>6</sup> s-1
13 Unit of rate constant for first order reaction is mol dm-3 mol -1 dm3 s-1 s-1 J mol-1
14 Unit of rae constant for zero order reaction is mol dm-3 s-1 s-1 mol -1 dm<sup> 3</sup> s-1 mol<sup> -2</sup> dm<sup>6</sup> s-1
15 Units of rate constant depend on Order of reaction Temperature Surface area Pressure
16 A zero order reaction has rate Proportional to [A] Independent of [A] Proportional to time Zero
17 Overall order is sum of Coefficients Exponents in rate law Moles Products
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