Fsc Part 1 Chemistry MCQ's Test For Full Book With Answers

Fsc Part 1 Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 In pressure of catalyst Delta H Increases Decreases Double Unchanged
2 Homogenous catalysts are in Same phase as reactionts Different phase Solid only Gaseous only
3 Energy profile shows Concentration Temperature Energy vs reaction progress Time
4 In an energy profile, peak represents. Reactants Activated complex Products Catalyst
5 Enzyme is a Solid catalyst Homogeneous catalyst Biological catalyst Promoter
6 In energy profile diagram a catalysts. Increse activation energy Decreases activation energy Provide new pathway Both b and c
7 Catalyst usually act in Initialion step Rate determining step Fast step Intermeiate formation
8 Mechanism supports Hess's law Kinetic data Le chatelier's principle Boyle's law
9 Rate determining step controls Overall rate Temperature Volume Final yield
10 Intermediates are Reactants Products Short lived species formed and consumed Stable compounds
11 A reaction mechanism describes Experimental conditions Overall stoichiometry Stepwise molecular events Heat of reaction
12 The lowest stepin a mechanism is Fast step Activation step Rate determining step Initiation step
13 Unit of half life is mol s mol dm-3 J
14 Which order has constant half life First Zero Second Third
15 Half life formula for 1st order reaction is 0.693 /k k x t 1 /k 2 k
16 Half life of zero order reaction is Constant Proportional to [A] Inversely proportional with [A] Independent to rate constant
17 Half life of first order reaction  Become zero Increases with [A] Is independent of [A] Decreases with [A]
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