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प्रश्न
Giving their structures, state the number of single bonds, double bonds and triple bonds (if any) in the following compounds:
ethene
उत्तर
Structure of ethene (C2H4) is as follows:
Ethene has a double bond between its carbon atoms, and four single bonds between its carbon and hydrogen atoms.
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संबंधित प्रश्न
Give any two differences between alkanes and alkenes.
Define Saturated hydrocarbon.
Draw the electron dot structures for ethanoic acid.
Give a test that can be used to differentiate chemically between butter and cooking oil.
Write the electron-dot structures for ethane.
Write the molecular formula of an alkene having 20 carbon atoms?
A mixture of ethyne (acetylene) and oxygen is burnt for welding. Can you tell why a mixture of ethyne and air is not used?
A compound X is formed by the reaction of a carboxylic acid C2H4O2 and an alcohol in presence of a few drops of H2SO4. The alcohol on oxidation with alkaline KMnO4 followed by acidification gives the same carboxylic acid as used in this reaction. Give the names and structures of
- carboxylic acid
- alcohol and
- the compound X.
Also write the reaction.
What is the role of metal or reagents written on arrows in the given chemical reactions?
- \[\begin{array}{cc}
\ce{CH3}\phantom{.....}\ce{CH3}\phantom{.........}\ce{CH3}\phantom{..}\ce{CH3}\phantom{..........}\\
\phantom{...}\backslash\phantom{......}/\phantom{................}|\phantom{.....}|\phantom{............}\\
\ce{C} = \ce{C} + \ce{H2} \overset{\ce{Ni}}{\rightarrow} \ce{CH3 - C - C - CH3}\\
\phantom{.}/\phantom{........}\backslash\phantom{..............}|\phantom{....}|\phantom{.........}\\
\ce{CH3}\phantom{....}\ce{CH3}\phantom{............}\ce{H}\phantom{...}\ce{H}\phantom{........}
\end{array}\] - \[\ce{CH3COOH + CH3CH2OH \overset{\ce{Conc. H2SO4}}{\rightarrow}CH3COOC2H5 + H2O}\]
- \[\ce{CH3CH2OH}\ce{->[Alk.KMnO4][Heat]CH3COOH}\]
Draw the electron dot structure for ethyne.
