Question

2) Which of the following incorrectly describes cis-1,2-dimethylcyclopentane? A) It is a meso compound. B) It is achiral. C) It contains two asymmetric carbons. D) Its diastereomer is trans-1,2- dimethylcyclopentane. E) It has an enantiomer.

Answer 1

Meso compound is that molecules which can be bisected into two equal halves by drawing a plane of symmetry.

Chiral / Assymetric Carbon- is that C-atom which is bonded to 4 different groups.. Now any molecules which has at least one chiral C-atom is called a chiral molecule. If a molecule has no chiral C-atom at all, then only it will be a Achiral molecule.

Enantiomer- These are the mirror images of each other which are not super imposible on each other, If the two mirror images come to be exactly same, then they are not eneantiomers.

Now based on the above concepts-

The incorrect statements are- B and E

Explanation-

at lo. YWN (cis- 1,2-dimethyl cyclopent ane)

Ö This molecule has a plane of Symmatory i Then place of symmetrony bisect the molecule into 2 equal halores. They it is a meso compound

③ This molecule has two chiral centers and This it is a Cheral molecule it has 2 asymmetror Catons

- The di asterco esmer of (ees) = (trans)

How if we take the mirror image of the molenk: un H 4 Both are samel Thus it has no Enantiomer