Practice_Midterm_2_F12_KEY

Draw a reaction coordinate diagram to support your

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Unformatted text preview: ented as Y- Z, where upon attack by the aromatic ring it produces Z- , why doesn’t addition of Z- to the positive charge on the ring happen? Draw a reaction coordinate diagram to support your answer. (5) Straight from the text. 3. Rank the following in order of pKa where 1 is the lowest and 4 is the highest. (4) OH F 3C OH H3CO 1 ______ OH OH Br ___4 __ _ H 3 ______ 2 ______ 4. Consider the mono- nitration of toluene. Comment on the likely position of substitution (ortho, meta, para) and the qualitative ratio of products. (3) The major product would most likely be at the ortho position because there are two of them versus the para position. NO2+ is not a very bulky electrophile. 5. Nitration of toluene takes place readily;...
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This note was uploaded on 02/03/2014 for the course CHEM 109A taught by Professor Bruice during the Spring '07 term at UCSB.

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