The relationship between the given pair $(A)$ and $(B)$ is:

Calculate the total number of stereoisomers for the given molecule,considering the alkene configuration is fixed as trans.

The number of stereoisomers formed in a reaction of $(\pm) Ph(C=O)C(OH)(CN)Ph$ with $HCN$ is $..........$

According to $Cahn-Ingold-Prelog$ sequence rules,the correct order of priority for the given groups is

Which of the following molecules is not chiral?

$(i)$ Number of geometrical isomers for the given structure $X$:
(Image provided)
$(ii)$ Number of cyclic structural isomers with molecular formula $C_5H_{10} = Y$
$(iii)$ Number of ethers with molecular formula $C_4H_{10}O = Z$
Find the value of $X + Y + Z$.