Short Answer TypeYou are given samples of ethane, ethene and ethyne in three different containers. How will you distinguish them?
Long Answer TypeShort Answer TypeWhat do you mean by delocalisation of 
-electrons?
-electrons are delocalised throughout the whole molecule. The delocalisation of 
-electrons to a greater space causes a decrease in energy and hence increases the stability of benzene molecule. Delocalisation of electrons is possible in coplanar molecules.
Benzene ring has three double bonds in it but is still quite stable. Explain.
Or
Why is benzene extra-ordinary stable though it contains three double bonds?
Long Answer TypeShort Answer Type
-electrons).
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