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JEE Main Chemistry question

ChemistryAromatic Compounds and Aryl HalidesJEE Main

When acetylene is passed through a red hot iron tube, compound is formed. Which one of the following reactions will yield as the major product? [EAMCET 2003]

Answer: (A)

Solution

Cyclotrimerisation of acetylene over a red-hot iron tube gives benzene ( = CH). Among the options, distillation of phenol with zinc dust removes the –OH (as ZnO) to give

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Question ID VK-142293