QUESTION 4 CH;O In the substitution reaction: (S)-2-bromononane CH;OH The product(s) of the reaction is(are)? OCH, OCH; OCH3 OCH, A mixture of the major product c with the minor product d A equimolar mixture of b and c. O O0 O00

Plastic photochromic sunglasses are based on the following reversible rearrangement of a dye inside the lenses that occurs when the lenses are exposed to sunlight. The original dye absorbs UV light but not visible light and is thus colorless, while the rearrangement product absorbs visible light and is thus darkened. (a) Show the mechanism of the rearrangement. (b) Why does the rearrangement product absorb at a longer wavelength (visible light) than the original dye (UV)?

Stuck on this OChem question

9. Draw the constitutional isomer formed when the following alkenes are treated with each set of reagents: [1] H20, H2SO4; or [2] BH3 followed by H2O2, "OH. A io onutouTC.rvinmmoo ewo ebyoleen.g er besibhoyn motis M doso al waH s b. a. Seblaar molsHsno isq onol nose 2eob isticho to eqyt ewni.d Cnistnoo ennug 29ob anodogle yoam woH.o O bns 18 to alnemala erlT nertw bemot witam-S ae doue anexie leohtemmyeni