Please explain this q

Please explain this q 9. H3C 2 In the following reaction, Me n-Bu X is (a) Me—V Me (c) (Major) CH2 = CH2 Me (d) CH CT-12 + NOCI ——4 P

Dear Student,

It is cope reaction, an example of elimination reaction where less sterically hindered alkene is formed as the major product.

Regards.