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  • Confused! kindly explain, Given:The enthalpy of the hydrogenation of these compounds will be in the order as:

Given:

The enthalpy of the hydrogenation of these compounds will be in the order as:

  • Option 1)

    III> II> I

  • Option 2)

    II> III> I

  • Option 3)

    II> I> III

  • Option 4)

    I> II> III

 

Answers (1)

best_answer

As learnt

Preparation of Alkane from Unsaturated Hydrocarbon -

Dihydrogen gas adds to alkenes and alkynes in the presence of finely divided catalyst like Pt, Pd or Ni to form alkane.

- wherein

 

 Addition of hyrogen to a compound is known as hydrogenation.

Enthalpy of hydrogenation \propto \frac{1}{stability \: of \ alkene}


Option 1)

III> II> I

This option is correct

Option 2)

II> III> I

This option is incorrect

Option 3)

II> I> III

This option is incorrect

Option 4)

I> II> III

This option is incorrect

Posted by

Plabita

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