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Incorrect statements in the following...

Incorrect statements in the following

A

Unimolecular reactions are always 1st order

B

Order does not change with pressure and temperature

C

In case of free radical combination, order is qual to molecularity

D

In 1st order reactions rate decreases with increase of time

Text Solution

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The correct Answer is:
A, B, C
If press conc changes then order change insome cases `r=(K_(1)[NH_(3)])/(1+K_(2)[NH_(3)])`
If `Tuarr` then `Kuarr,ruarr` but n=no change
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AAKASH SERIES-CHEMICAL KINETICS-LEVEL-II(LECTURE SHEET EXERCISE-I SINGLE & ONE OR MORE THAN ONE CORRECT ANSWER)
  1. Mark correct statement about given graph:

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  2. Effective collision are those in which molecules must:

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  3. The activation energy of a reaction is zero. The rate constant of the ...

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  4. The rate constant is given by the equation K=Ae^(-Ea//RT). Which facto...

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  5. Which of the following statement(s) are true regarding the log K vs 1/...

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  6. When the temperature is raise from 300 K to 400 K the rate of a reacti...

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  7. For the decomposition of N(2)O(5)(g) it is given that 2NOI(2)O(5(g))to...

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  8. Unit of frequency factor A in : KL+AE^(-Ea//RT) is

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  9. Rate constant K varies with temperature by equation log K("min"^(-1))=...

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  10. The progress of the reaction AhArrnB with time is presented in the fig...

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  11. Select the correct statements(s)

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  12. Which of the following are correct?

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  13. For a first order reaction Ato products 93.75% of A initilly taken (2M...

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  14. The rate of constant is numerically the same for 1 order, II order and...

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  15. For a reaction AtoB+C. It was found that at the end of 10 minutes from...

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  16. Incorrect statements in the following

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  17. Which of the following statement(s) is are/correct

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  18. For a chemical reaction Ato Products, the rate of disappearance of A i...

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  19. For the first order reaction 2N(2)O(5(g))to4NO(2(g))+O(2(g))

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  20. An organic compound A decomposes following two parallel first order re...

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