(Solved): Determine the mechanism for the following reaction: \[ \stackrel{\mathrm{CH}_{3} \mathrm{CH}_{2} \m ...

Determine the mechanism for the following reaction: \[ \stackrel{\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{O}^{-}}{\longrightarrow} \quad \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{CH}_{3} \] Select one: A. E1 B. \( \mathrm{S}_{\mathrm{N}} 1 \) C. E2 D. \( \mathrm{S}_{\mathrm{N}} 2 \) What is the major product of this reaction sequence? \[ \mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{C}=\mathrm{CH} \stackrel{\mathrm{NaNH}_{2}}{\longrightarrow} \stackrel{\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}}{\longrightarrow} \frac{\mathrm{H}_{2}}{\text { Lindlar catalyst }} \] Select one: A. B. D. \( \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3} \)