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  • How to solve this problem- The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the

The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the

  • Option 1)

    rate is proportional to the surface coverage

  • Option 2)

    rate is inversely proportional to the surface coverage

  • Option 3)

    rate is independent of the surface coverage

  • Option 4)

    rate of decomposition is very slow

 

Answers (1)

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As we Discussed in Concept

 

The decomposition of PH3 on tungsten at low pressure is a first order reaction if because rate is Proportional to the surface coverage 


Option 1)

rate is proportional to the surface coverage

Option is Correct

Option 2)

rate is inversely proportional to the surface coverage

Option is incorrect

Option 3)

rate is independent of the surface coverage

Option is incorrect

Option 4)

rate of decomposition is very slow

Option is incorrect

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