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Chemistry · PYQ NEET UG 2016(1)

हिन्दी

Which of the following reagents would distinguish cis-cyclopenta-1,2-diol from the trans-isomer?

  1. \( \mathrm{MnO}_{2} \)
  2. Acetone
  3. Aluminium isopropoxide
  4. Ozone

Correct answer · Option 2

Acetone

Explanation

cis-diol reacts with acetone to form a cyclic acetal (isopropylidene derivative) whereas trans-diol does not due to steric constraints, enabling distinction.
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