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The order of a reaction underline("can b...

The order of a reaction `underline("can be")` calculated from law of mass action.

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Order of a reaction cannot be calculated from law of mass action.
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Order of a reaction underline(" cannot be fractional")

The order of a reaction is determined from:

Explain the terms: Law of mass action

The order of reaction can never be zero.

Mass action rato or reaction quotient Q for a reaction can be calculate using the law of masss action A(g)+B(g) hArr C(g)+D(g) Q=([C][D])/([A][B]) The value of Q decides whether the reaction is at equilibrium or not. At equilibrium, Q=K For an equilibrium process, Q ne K when Q gt K , reaction will favour backward direction and when Q lt K , it will favour direction. Answer the following questions: For the reaction: 2A+B hArr 3C at 298 K, K_(c)=40 A 4L vessel contains 2, 1, and 4 mol of A, B and c, respectively. The reaction at the same temperature

Mass action rato or reaction quotient Q for a reaction can be calculate using the law of masss action A(g)+B(g) hArr C(g)+D(g) Q=([C][D])/([A][B]) The value of Q decides whether the reaction is at equilibrium or not. At equilibrium, Q=K For an equilibrium process, Q ne K when Q gt K , reaction will favour backward direction and when Q lt K , it will favour direction. Answer the following questions: In the reaction: NH_(4)Cl(g) hArr NH_(3)(g)+HCl(g) a graph is plotted to show that the variation or the rate of forward and backward reaction against time. Which of following is correct?

ICSE-CHEMICAL KINETICS-EXERCISE (PART- I (OBJECTIVE QUESRTIONS) C. CORRECT THE FOLLOWING STATEMENTS BY CHANGING THE UNDERLINED PART OF THE STATEMENT ( DO NOT CHANGE THE WHOLE SENTENCE .))
  1. Order of a reaction underline(" cannot be fractional")

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  2. Photochemical combination of hydrogen and chlorine is a underline("fir...

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  3. underline("Fastest step ")in a reaction is the rate determining step.

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  4. Activation energy is the underline("sum ")of threshold energy and ener...

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  5. The order of a reaction underline("can be") calculated from law of mas...

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  6. Collision theory is underline("not satisfactory ")for bimolecular reac...

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  7. The order of reaction is determined by underline("stoichiometry ")of t...

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  8. The rate of a reaction underline("can be determined ")by dividing the ...

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  9. Greater the concentration of reactants, underline("slower the rate of ...

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  10. A small rise in temperature underline("decreases ")the rate of reactio...

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  11. Correct the following statements by changing the underlined part of th...

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  12. underline("Catalyst is a substance which alters ")the equilibrium cons...

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  13. Temperature coefficient of a reaction is the ratio of the rate constan...

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  14. Order of a reaction underline(" cannot be fractional")

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  15. Photochemical combination of hydrogen and chlorine is a underline("fir...

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  16. underline("Fastest step ")in a reaction is the rate determining step.

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  17. Activation energy is the underline("sum ")of threshold energy and ener...

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  18. The order of a reaction underline("can be") calculated from law of mas...

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  19. Collision theory is underline("not satisfactory ")for bimolecular reac...

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  20. The order of reaction is determined by underline("stoichiometry ")of t...

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