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The decomposition of phosphine (PH3) on ...

The decomposition of phosphine `(PH_3)` on tungsten at low pressure is a first order reaction. It is because

A

rate is proportional to the surface coverage

B

rate is inversely proportional to the surface coverage

C

rate is independent of the surface coverage

D

rate of decomposition is very slow

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MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
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  2. The rate of first-order reaction is 0.04 mol L^-1 s^-1 at 10 seconds a...

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  3. The decomposition of phosphine (PH3) on tungsten at low pressure is a ...

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  4. What is the time required for a first order reaction to be 99 % comple...

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  7. For a reaction taking place in three steps, the rate constants are k1,...

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  8. For a zero order reaction, the plot of concentration of reactant vs ti...

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  9. Consider the following statements : (i) increase in concentration of ...

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  10. The initial rates of reaction E 3A + 2B + C rarr Products, at differen...

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  11. For a reaction A + B rarr C+2D, experimental results were collected fo...

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  12. In a first order reaction, the concentration of the reactant is reduce...

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  13. The activation energy for the reaction if k = A is

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  14. The decomposition of ammonia on tungsten surface at 500 K follows zero...

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  15. The rate constant of a first order reaction is doubled when the temper...

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  16. The rate of a reaction is given by rate, r = k [H^+]^n If the rate bec...

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  17. In a first order reaction, 80 % of the reactant at an instant was redu...

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  18. The decomposition of N2O5 in CCl4 solution at 318 K is studied by moni...

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  19. In a first order reaction, the concentration of the reactant decreases...

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