Symmetries in Organic Molecules

What common symmetry of elements if any are found in the stable chair conformer of trans-1, 2-dichlorocyclohexane?

Meso tartaric acid does not show optical activity, because

No. of Planes of Symmetry in an ammonia molecule are:

Determine the number of planes of symmetry of the given compound.

Determine the number of plane of symmetry of Borazine.

Which of the following has a plane of symmetry?

Identify which of the below does not possess any element of symmetry?

Trans-3,6-Dimethyl oct-4-ene (A) exists in two diastereomers $\left(\text{I}\right)$ and $\left(\text{II}\right)$.



Which statements is true about $\left(\text{I}\right)$ and $\left(\text{II}\right)$ ?

Which of the following molecules are chiral ?

I. Trans-1-chloro-2-methylcyclopropane

II. Cis-1-chloro-2-methylcyclopropane

III. 1-chloro-1-methylcyclopropane

​IV. Cis-1, 2-dichlorocyclopropane