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Factors affecting reacti..



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Q1. The unit of frequency factor in Arrhenius equation is ____

(a) molm3
(b) Same as that of rate constant
(c) molm3?s
(d) mol

Q2. Which of the following is true about elementary reactions?

(a) They occur in multiple steps
(b) They are complex in nature
(c) Order of elementary reaction is an integer
(d) All first order reactions are elementary

Q3. The number of molecules involved in an elementary reaction is termed as ____

(a) Molecularity
(b) Order of reaction
(c) Unimolecular reaction
(d) Rate of reaction

Q4. The rate expression for a homogeneous reaction comprises of ____

(a) A concentration dependent term only
(b) A temperature dependent term only
(c) A concentration dependent term and a temperature dependent term
(d) A catalyst weight dependent term

Q5. Order of a reaction is ____

(a) Number of molecules of reactants taking part in the reaction
(b) Power of any one of the reactant concentrations
(c) Concentration of intermediate species formed
(d) Sum of the powers of the concentrations of all the reactants

Q6. The rate of a reaction cannot be expressed in terms of ____

(a) Volume of reacting fluid
(b) Volume of solid
(c) Amount of product
(d) Interfacial surface

Q7. For the reaction aA+ bB ? rR, which of the following is true?

(a) ?rAa=?rBb ? rRr
(b) ?rAa ??rBb ? rRr
(c) ?rAa=?rBb ? rRr
(d) ?rAa??rBb ? rRr

Q8. The rate of cellular reactions expressed as moles A disappearing/(m3.s) is in the range of ____

(a) 10-3-10-4
(b) 102
(c) 0.1
(d) 109

Q9. Which of the following is the correct expression for the rate of a reaction?

(a) MolesofproductformedVolumeoffluid?Time
(b) MolesofreactantinitiallytakenVolumeoffluid?Time
(c) MolesunreactedVolumeoffluid?Time
(d) MolesofproductformedVolumeoffluid

Q10. The factors affecting the rate of homogeneous reaction are ____

(a) Temperature only
(b) Pressure only
(c) Reactant Concentration only
(d) Temperature, pressure and reactant concentration


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356 views

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

Modified 236 Year Ago

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236 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 228 Year Ago

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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 236 Year Ago

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236 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 0 Year Ago

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0 Year Ago

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

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309 views

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

Modified 305 Year Ago

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305 Year Ago

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

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285 views

A First Order Reaction Is 60 Per Complete In 20 Min. How Long Will The Reaction Take To Be 84 Per Complete?

Modified 0 Year Ago

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0 Year Ago

A First Order Reaction Is 60 Per Complete In 20 Min. How Long Will The Reaction Take To Be 84 Per Complete?

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277 views

The Rate Of A Reaction That Not Involve Gases Is Not Dependent On

Modified 236 Year Ago

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236 Year Ago

The Rate Of A Reaction That Not Involve Gases Is Not Dependent On

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