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Question
What is hydrogenation? How hydrogenation of ethene occurs? Give one use of hydrogenation.
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Solution
The addition of hydrogen across the double bond is called hydrogenation.
Ethene reacts with hydrogen gas when heated in presence of catalyst like
nickel, to give ethane.
\[\ce{CH2 = CH2 + H2 ->[Ni][300°C] CH3 - CH3}\]
Use of hydrogenation:
Hydrogenation of Oils: The oils can be converted into ghee which are semi solid at room temperature.
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