VII. Which one is the correct elimination product of the following resction?

a

b$.$

c$.$

e$.$

VIII. What is the major product for the following reaction?

IX$.$ From the following alkyl balides, which one will undergo $S_N$ reaction most Hikely?

a$.-1-$chloro$-2-$methylpentane

b$.1-$chloro$-2-$ethylpentane

c$.1-$chioropentane

d$.1-$chloro$-2,3-$dimethylpentane

e$.1-$chloro$-2,2-$dimethylpentane

$6.$