Ch,br ch,oh de is br 62. the correct order of sy2/ e2 ratio for the % yield of product of the following halide 154 ph (p) ch,ch,-c-ch, () ch,- ch-ch ch, ph (r)

CH,Br CH,OH de is Br 62. The correct order of Sy2/ E2 ratio for the % yield of product of the following halide 154 Ph (P) CH,CH,-C-CH, () CH,- CH-CH CH, Ph (R) CH-CH2 -I (S) CH,- CH-CH-CH, (d) Q>P>R>S (b) R>Q>S>P (c) P>R>S>Q (a) R>S>Q>P Tho maiar nraduct formed in the following reaction is