2. (a) A compound, UCH100) gives a negative lodoform test. The infra red spectrum of U shows a strong absorption peak at

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2 A A Compound Uch100 Gives A Negative Lodoform Test The Infra Red Spectrum Of U Shows A Strong Absorption Peak At 1 (24.1 KiB) Viewed 30 times

2. (a) A compound, UCH100) gives a negative lodoform test. The infra red spectrum of U shows a strong absorption peak at 1690 cm-1. The proton NMR spectrum of U gives the following: Triplet 51.2 (BH) Quartet 53.0 (2H) Multiplet 57.7 (SH) What is the structure of U7 [10 Marks (b) Using the deuterium ion effect in your explanation provide evidence to show that the E2 elimination of 1-bromo-2-phenyl ethane has a rate determining step that involves both the alkyl halide and the base Et20/0H Ph --CH2-CH, Br Ph-CH.CH | 10 Marts)