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A substance undergoes first order decomp...

A substance undergoes first order decomposition. The decomposition follows two parallel first order reaction as :

The precentage distribution of B and C are :

A

`75% B and 25% C`

B

`80% B and 20% C`

C

`60% B and 40% C`

D

`76.83% B and 23.17% C`

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OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
  1. The reaction XrarrY (Product ) follows first order kinetics. In 40 min...

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  2. In a first order reaction, the concentration of the reactant, decrease...

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  3. A substance undergoes first order decomposition. The decomposition fol...

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  4. For the reaction, 2NH(3)rarr N(2)+3H(2) if (-d[NH(3)])/(dt)=k(1)[NH(...

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  5. In Arrhenius equation k=Ae^(-E//RT), factor e^(-E(a)//RT) is known as...

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  6. Which of the following graphs is correct for second order reaction ?

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  7. For the reaction A+B rarr C+D The variation of the concentration of th...

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  8. Which graph shows zero activation energy ?

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  9. E("Threshold") can never be:

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  10. A reaction takes place in theee steps: the rate constant are k(1), k(2...

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  11. For hypothetical reaction ArarrB takes placed according to Aoverset(...

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  12. If concentration of reactant is increased by 'm' then k becomes :

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  13. aB+bBrarrP,dxx//dt=k[A]^(a)8[B]^(b). If conc. of A is doubled, rate is...

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  14. A drop of solution (volume 0.05 mL) contains 3 xx 10^(-6) "mole" H^(o+...

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  15. For the reaction, H(2)+I(2)overset(k(1))underset(k(2))hArr2HI. The rat...

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  16. For the reaction NH(4)^(+)+OCN^(-)rarrNH(2)CONH(2), rthe probable mech...

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  17. For a Ist order decomposition of A as given Therefore rate const...

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  18. For a reaction A+3BrarrP, Rate = (-d[A])/(dt) ,the expression for the ...

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  19. Which of the following statements is correct?

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  20. For Xrarrk=10^(10)e^(-500//T), and for WrarrZ,k=10^(12)e^(-1000//T) at...

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