Question

A vegetable oil contains two double bonds in its molecule. How many moles of hydrogen gas are required for complete hydrogenation of 1 mole of oil?

Answer 1

if vegetable oil contain two duble bond siturated=2 mole of hydrogen
because 1 double bond saturated =1 mole of h

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Answer 2

Given:

No of double bonds in 1 oil molecule = 2

No of moles of oil = 1

To Find:

The no of moles of hydrogen gas that are required for complete hydrogenation of 1 mole of oil.

Calculation:

- The hydrogenation of a double bond requires 1 hydrogen molecule given as follows:

-C=C- + H2 ---> -CH-CH-

- As the oil molecule has 2 double bonds, the hydrogen molecules required for its complete hydrogenation = 2

- For 1 mole of oil molecules, the hydrogen gas required = 1 × 2 = 2

- So, 2 moles of hydrogen gas are required for complete hydrogenation of 1 mole of oil.