Consider the reaction of 1-bromopentane with sodium hydroxide.

Which of the following pairs of characteristics apply to this reaction?

W) S\({}{\rm N}\)1 at low temperatures and E1 at high temperatures

X) E1 at low temperatures and S\({}{\rm N}\)1 at high temperatures

Y) S\({}{\rm N}\)2 at low temperatures and E2 at high temperatures

Z) E2 at low temperatures and S\({}{\rm N}\)2 at high temperatures
Y) S\({}{\rm N}\)2 AT LOW TEMPERATURES AND E2 AT HIGH TEMPERATURES