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What do you mean by torsional strain ? |
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Answer» Solution :Alkanes can thus have INFINITE number of conformation by rotation around C-C single bonds. However, it may be remembered that rotation around a C-C single BOND is not COMPLETELY free. It is hindered by a small energy barrier of 1-20 kJ `MOL^(-1)` due to weak replusive interaction between the adjacent bonds. Such a TYPE of repulsive interaction is called torsional strain. |
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