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Aldehydes, Ketones And Carboxylic Acids

Question

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

Ozone

MnO₂

Aluminium isopropoxide

Acetone

Solution

D.

Acetone

Cis-cyclopenta-1,2-diol when reacts with acetone forms cyclic ketal whereas trans-isomers of cyclopenta-1,2 diol cannot form cyclic ketal.

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of the following compounds.
3-Hydroxybutanal

Write the structures of the following compounds.
2-Hydroxycyclopentane carbaldehyde

Write the structures of the following compounds.
4-oxopentanal

Write the structures of the following compounds.
Di-sec-butyl ketone

Write the structures of the following compounds.
4-fluoro acetophenone.

Write the structures of the following reactions:

Write the structures of products of the following reactions:

Arrange the following compounds in increasing order of their boiling points:
CH₃CHO, CH₃CH₂OH, CH₃OCH₃, CH₃CH₂CH₃.

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