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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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RELATED QUESTIONS
Write the IUPAC name of the foloowing:
CH3CH2Ch= CHCH3
What word is used to describe theses three compounds taken together?
What is the special feature of the structure of:
(a) C2H2
(b) C2H4
What is the special feature of the structure of Ethyne?
Fill in the blanks by chosing words from the given list of words:
Addition, Carbohydrates, CnH2n-2, CnH2n+2, electrochemical, homologus, hydrocarbons, saturated, substitution, unsaturated.
The alkanes form a ______series with general formula_________The alkanes are_______,which generally undergo________reactions.
(a) Draw the structural formula of ethene.
(b) What is the feature of the ethene structure, which allows ethene to react with chlorine in the way it does?
Which compound should be heated with soda lime to obtain ethane gas in the laboratory?
Give chemical equation for:
The preparation of ethyne from 1,2 - dibromoethane.
Give the structural formula of the following:
1-propanal
The structures of six organic compounds are shown:
|
A \[\begin{array}{cc} |
B \[\begin{array}{cc} |
C \[\begin{array}{cc} |
|
D \[\begin{array}{cc} |
E \[\begin{array}{cc} |
F \[\begin{array}{cc} |
- Identify two of the compounds that are members of the same homologous series but are not isomers.
- Which two compounds are isomers of each other?
- F can be prepared from D. Give a chemical equation for the reaction.
