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The gas(es) used in the hydrogenation of...

The gas(es) used in the hydrogenation of oils in presence of nickel as a catalyst is/are:

A

methane

B

ethane

C

ozone

D

hydrogen

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The correct Answer is:
D
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Hydrogenation of alkenes and alkynes takes place in presence of certain catalysts. In Sabatier Senderen's reaction, the addition of hydrogen takes place I presence of Raney nickel catalyst. Platininm and palladium can also be used as catalyst and used in finley divided state. Experimentally, it is observed that less crowded alkenes adsorb H_(2) with faster rate. Controlled hydrogenation of alkyne H_(2) with faster rate. Controlled hydrogenation of alkyne in presence of Lindlar's catalyst yields cis product i.e., 'cis' alkene. Thus, in presence of Lindlar's catalyst 'syn' addition takes place. The relative rate of hydrogenation follows the order: Non-terminal alkynes are reduced in presence of Na or Li metal dissolved in liquid ammonia. In this reaction, anti-addition of hydrogen results into the trans-product. Answer the following questions: The relative rate of catalytic hydrogenation of following alkenes is:

Hydrogenation of alkenes and alkynes takes place in presence of certain catalysts. In Sabatier Senderen's reaction, the addition of hydrogen takes place I presence of Raney nickel catalyst. Platininm and palladium can also be used as catalyst and used in finley divided state. Experimentally, it is observed that less crowded alkenes adsorb H_(2) with faster rate. Controlled hydrogenation of alkyne H_(2) with faster rate. Controlled hydrogenation of alkyne in presence of Lindlar's catalyst yields cis product i.e., 'cis' alkene. Thus, in presence of Lindlar's catalyst 'syn' addition takes place. The relative rate of hydrogenation follows the order: Non-terminal alkynes are reduced in presence of Na or Li metal dissolved in liquid ammonia. In this reaction, anti-addition of hydrogen results into the trans-product. H_(3)C-C-=C-CH_(3)+H_(2) overset(Pd//CaCO_(3))underset("Boiling Quinoline")to (A) The product (A) will be:

Hydrogenation of alkenes and alkynes takes place in presence of certain catalysts. In Sabatier Senderen's reaction, the addition of hydrogen takes place I presence of Raney nickel catalyst. Platininm and palladium can also be used as catalyst and used in finley divided state. Experimentally, it is observed that less crowded alkenes adsorb H_(2) with faster rate. Controlled hydrogenation of alkyne H_(2) with faster rate. Controlled hydrogenationof alkyne in presence of Lindlar's catalyst yields cis product i.e., 'cis' alkene. Thus, in presence of Lindlar's catalyst 'syn' addition takes place. The relative rate of hydrogenation follows the order: Non-terminal alkynes are reduced in presence of Na or Li metal dissolved in liquid ammonia. In this reaction, anti-addition of hydrogen results into the trans-product. The product of the following reaction is:

ALLEN-HYDROGEN-EXERCISE-1
  1. Out of the following metals which will give H(2) on reaction with NaOH...

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  2. In Bosch's process, which gas is utilised for the production of hydrog...

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  3. The gas(es) used in the hydrogenation of oils in presence of nickel as...

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  4. Atoms in hydrogen have abundance of :

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  5. Weakest reducing agent:

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  6. Nuclear isomerism is exhibited by-

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  7. Which of the following statement is not true for .(1)H^(1),.(1)H^(2),....

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  8. Hydrogen has three isotopes, the number of possible diatomic molecules...

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  9. Dihydrogen has:

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  10. Hydrogen is :

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  11. In which property listed below hydrogen does not resemble alkali metal...

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  12. In which of the following reactions does dihydrogen act as oxidising a...

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  13. Which of the following is an nuclear isomer of hydrogen ?

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  14. The correct order of reactivity among I (atomic hydrogen), II (Dihyd...

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  15. Which combination cannot be used for the preparation of hydrogen gas i...

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  16. By which reaction. Best yield of H(2) gas forms : Temperature of ...

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  17. By which reaction best yield of H(2) gas forms: temperature of al...

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  18. Hydrogen has the tendency to lose one e^(-) and for mation of H^(+), I...

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  19. At sun atmosphere which of the following forms is stable :

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  20. Ratio of Ortho & Para hydrogen in ordinary hydrogen is :

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