Chemistry-
General
Easy

Question

For the reaction 2 N O left parenthesis g right parenthesis plus H subscript 2 end subscript left parenthesis text end text g right parenthesis ⟶ N subscript 2 end subscript O left parenthesis g right parenthesis plus H subscript 2 end subscript O(g), at 900 K. following data are observed.

Find out the rate law and order of reaction -

  1. k open square brackets P subscript N O subscript 2 end subscript end subscript close square brackets to the power of 2 end exponent open square brackets P subscript H subscript 2 end subscript end subscript close square brackets to the power of 1 end exponent comma 3    
  2. k open square brackets P subscript N O subscript 2 end subscript end subscript close square brackets to the power of 2 end exponent open square brackets P subscript H subscript 2 end subscript end subscript close square brackets to the power of 1 end exponent comma 2    
  3. k open square brackets P subscript N O subscript 2 end subscript end subscript close square brackets to the power of 2 end exponent open square brackets P subscript H subscript 2 end subscript end subscript close square brackets to the power of 1 end exponent comma 11    
  4. k open square brackets P subscript N O subscript 2 end subscript end subscript close square brackets to the power of 2 end exponent open square brackets P subscript H subscript 2 end subscript end subscript close square brackets to the power of 1 end exponent comma 0    

The correct answer is: k open square brackets P subscript N O subscript 2 end subscript end subscript close square brackets to the power of 2 end exponent open square brackets P subscript H subscript 2 end subscript end subscript close square brackets to the power of 1 end exponent comma 3

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