Which of the following can exhibit polarity?

Which of the following cycloalkanes will show cis-trans isomerism?

(a)   

(b)    

(c)     

(d)    

Which among the following show geometrical isomerism?

Determine the correct set of physical properties of geometrical isomers of the following.

I 

II  

Identify the incorrect statement for the following conformations.

$\left(\mathrm{i}\right)$  

$\left(\mathrm{ii}\right)$    

$\left(\mathrm{iii}\right)$   

$\left(\mathrm{iv}\right)$