Which of the following reagents would distinguish cis - cyclopentane-1,2-diol from the trans-isomer?
Acetone
Ozone
MnO2
Aluminium isopropoxide
cis-cyclopentane-1, 2-diol when reacts with acetone, forms cyclic ketal whereas trans-isomer of cyclopentane-1,2-diol can not form cyclic ketal.