Two isomeric C8H10 hydrocarbons (A & B) both give the same saturated hydrocarbon product, C, on exhaustive catalytic hydrogenation. Both A & B, but not C, show strong absorption of UV light, λmax = 245 nm. Addition of one equivalent of HBr to either A or B produces the same mixture of C8H13Br isomers (D & E). |
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