Which is the best method to prepare cyclohexe | vedclass

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(B) The dehydration of cyclohexanol to cyclohexene is an elimination reaction ($E1$ mechanism). Concentrated phosphoric acid $(H_3PO_4)$ is the prefer

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Conc. $H_3PO_4$

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(B) The dehydration of cyclohexanol to cyclohexene is an elimination reaction ($E1$ mechanism). Concentrated phosphoric acid $(H_3PO_4)$ is the preferred reagent for this dehydration because it is a non-oxidizing acid and minimizes side reactions like oxidation or substitution compared to concentrated sulfuric acid or hydrohalic acids. Thus,heating cyclohexanol with concentrated $H_3PO_4$ yields cyclohexene efficiently.

Which is the best method to prepare cyclohexene from cyclohexanol?

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