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Theories of reaction rate



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Q1. The temperature dependency of rate constant as given by Transition state theory is ____

(a) k ? T
(b) k ? T2
(c) k ? T3
(d) k ? T0.5

Q2. Transition state theory shows that there exists no equilibrium between activated complex and reacting molecules at all times.

(a)
(b)
(c)
(d)

Q3. State true or false.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q4. The temperature dependency of rate constant as given by Collision theory is ____

(a) k ? T
(b) k ? T2
(c) k ? T3
(d) k ? T0.5

Q5. Collision theory states that ____

(a) Molecules do not collide during the reaction
(b) Reactant molecules collide to effect product formation
(c) Reactants form complexes
(d) Products formed are unstable

Q6. For an endothermic reaction, the average energy of products is ____

(a) Equal to the average energy of reactants
(b) Lower than or equal to the average energy of reactants
(c) Lower than the average energy of reactants
(d) Greater than the average energy of reactants

Q7. For exothermic reactions, which condition is applicable for equilibrium constant K?

(a) K decreases with increasing temperature
(b) K decreases with decreasing temperature
(c) Positive ?H?rxn with increasing temperature; K increases
(d) Negative ?H?rxn with increasing temperature; K increases

Q8. The equilibrium constant (K) depends on __________

(a) Pressure
(b) pH
(c) Temperature
(d) Density

Q9. According to reaction theory, Reaction kinetics is concerned with how far the reaction can proceed.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q10. Which type of catalysis reaction defines cell growth?

(a) Tandem catalysis
(b) Surface catalysis
(c) Homo catalysis
(d) Autocatalysis


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For A Reaction 1/2 A -> 2B, Rate Of Disappearance Of A Is Related To The Rate Of Appearance Of B By The Expression

Modified 235 Year Ago

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235 Year Ago

For A Reaction 1/2 A -> 2B, Rate Of Disappearance Of A Is Related To The Rate Of Appearance Of B By The Expression

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356 views

The Term (-dc/dt) In A Rate Equation Refer To The

Modified 235 Year Ago

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235 Year Ago

The Term (-dc/dt) In A Rate Equation Refer To The

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355 views

At The Rate Of Decomposition Of A Sample Of Gaseous

Modified 227 Year Ago

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227 Year Ago

At The Rate Of Decomposition Of A Sample Of Gaseous

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The Rate Of A Reaction Is Doubled For Every 10° C Rise In Temperature. The Increase In Reaction Rate As A Result Of Temperature Rise From 10°C To 100°C Is

Modified 235 Year Ago

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235 Year Ago

The Rate Of A Reaction Is Doubled For Every 10° C Rise In Temperature. The Increase In Reaction Rate As A Result Of Temperature Rise From 10°C To 100°C Is

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309 views

For A First Order Reaction The Ratio Of Times To Complete 99.9 Per. And Half Of The Reaction Is

Modified 364 Year Ago

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364 Year Ago

For A First Order Reaction The Ratio Of Times To Complete 99.9 Per. And Half Of The Reaction Is

0 votes
0 Answer
309 views

For A Reaction A + 2B -> C, Rate Is Given By

Modified 304 Year Ago

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304 Year Ago

For A Reaction A + 2B -> C, Rate Is Given By

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