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In pseudo-unimolecular reactions :...

In pseudo-unimolecular reactions :

A

one of the reactants is present in large excess

B

both reactants have some concentration

C

both the reactants are present in low concentration

D

one of the reactants is less reactive

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The correct Answer is:
A
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Which of the following are example of Pseudo unimolecular reaction? I. Inversion of cane sugar II. Decomposition of ozone III. Decomposition of N_(2)O_(5) IV. Acid catalysed hydrolysis of ester Mark the correct option from the codes given below.

OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. For the reaction N(2)O(5) rarr 2NO(2) + (1)/(2) O(2), the rate of disa...

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  2. For a first order reaction, calculate the ratio between the time taken...

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  3. In pseudo-unimolecular reactions :

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  4. The reaction 2N(2)O(5)(g)rarr4NO(2)(g)+O(2)(g) is found to be firt...

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  5. Consider the following statements (i) increase in the concentration ...

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  6. In accordance to Arrhenius equation, the plot of log k against (1)/(T)...

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  7. The rate of the reaction C Cl(3)CHO + NO rarr CHC(3) + NO + CO is gi...

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  8. In a reaction 2A + B rarr A(2)B, the reactant A will disappear at

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  9. The rate of the reaction 2NO+O(2)rarr2NO(2),"at" 25^(@)C is r=k[NO]^...

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  10. For the reaction, 2NO+Cl(2)rarr2NOCl the following mechanism has b...

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  11. Consider the following reaction : H(2)(g)+I(2)(g)rarr2HI(g) and "Rat...

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  12. How will the rate r=k[SO(2)][[O(2)] of reaction, 2SO(2)+O(2)rarr2SO...

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  13. In the formation of sulphur trioxide by the contact process, 2SO(2)+...

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  14. For a first order reaction the rate constant is 6.909 "min"^(-1). The ...

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  15. For the reaction A+2BrarrC+D,(d[A])/(dt)k=[A][B]^(2) the expression ...

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  16. Which of the follwing statement is not correct for the reaction, 4A+...

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  17. The overall rate of a reaction is governed by :

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  18. The rate constant of a reaction does not depend upon:

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  19. The half life period of a first order chemical reaction is 6.93 minute...

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  20. For the chemical reaction XrarrY, it is found that the rate of reactio...

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