sm2 - 1 ma k 11 r s 1ma ke c r ah Comp n A h st efor l C8...

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- 2 of 8 - 1. (11 marks) (1markeach) a) Compound A has the formula C 8 H 12 N 2 . Upon reaction with excess H 2 /Pt, A was trans formed into Compound B that has the formula C 8 H 18 N 2 . i) Compound A has _____ degrees of unsaturation. ii) Compound A contains _____ rings and _____ ! bonds . b) Clearly indicate the TWO structures shown below that represent aromatic systems . B N B O O O CH 3 H 3 C CH 3 B B CH 3 H 3 C CH 3 c) Consider the following molecules . OH O OH HO OH HO O OH OH HO O OH OH 1 2 3 4 5 W hich OVERALL molecular system(s) is: i) The MOST oxidized _____ ii) The LEAST oxidized _____ iii) Are at the SAME OVERALL oxidation level _____ and _____ d) Consider the various ionic systems derived from the heterocycle Morpholine that is shown below. N O N O N O N O N O N O H H H H H H H H H Morpholine 1 2 3 4 5 i) The most likely conjugate acid of morpholine is _____ ii) Of systems 1 - 5 , the least nucleophilic system is _____
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- 3 of 8 - 2. (8 marks) (2 marks for each structure) Complete TWO additional resonance contributors for EACH of the ions shown below. O
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This note was uploaded on 10/24/2011 for the course CHEMISTRY chem taught by Professor David during the Spring '11 term at UBC.

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sm2 - 1 ma k 11 r s 1ma ke c r ah Comp n A h st efor l C8...

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