Conformational Isomerism

Increasing order of stability among the three main conformation (i.e. eclipse, anti, gauche) of ethylene glycol is :

The most stable meso conformer of (CHDOH)₂ is

Identify the incorrect statement for the following conformations.

$\left(\mathrm{i}\right)$  

$\left(\mathrm{ii}\right)$    

$\left(\mathrm{iii}\right)$   

$\left(\mathrm{iv}\right)$  

$\mathrm{X}$ and $\mathrm{Y}$

are

Which of the following statement is not true for conformational isomerism?

Which types of isomers are these following pairs ?

The gauche form of meso-butane$-2,3-$diol has:

The total number(s) of stable conformers with non-zero-dipole moment for the following compound is (are):

Which one of the following statements regarding the population of different conformers butane-2, 3-diol is true?

What is the relationship between the structures shown

The correct stability order of the following species is



1)




2)




3)

Which of the following compound has the lowest barrier of rotation about the indicated bond?

Compare stability



1)




2)




3)




4)

Find the most stable form.

Which of the following cyano cyclohexane conformations will have high K_eq value?

Mark the correct statement.

${\mathrm{C}}_2$ is rotated$120°$ anticlockwise about ${\mathrm{C}}_2-{\mathrm{C}}_3$ bond. The resulting conformer is