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

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

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

Assertion : Acetone can be used to distinguish cis-cyclopentane-1, 2-diol from its trans isomer. Reason : The cis isomer forms a cyclic ketal with acetone, where as the trans isomer cannot, as it has the -OH groups in opposite directions.

Which of the following will give cis-diols?