ochem problem set 2

ochem problem set 2 - Part 1 of 1 - 63.0/ 70.0 Points...

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Part 1 of 1 - 63.0/ 70.0 Points Question 1 of 11 7.0/ 7.0 Points Look at the given molecule and considering how it would be named using IUPAC answer the following questions. Answer Key: 9 |nine, no |n, nonane, 4 |four, Right |R, Left | L, none |none of these |N/A |neither Feedback: How many carbons are in the longest chain? {9 |nine} Is there a ring? Yes or no {no |n} What would the base name for this molecule be? (include the ring prefix if relevant) {nonane} How many substituents are there? {4 |four} Would the chain be generally numbered Left to Right or Right to Left? {Right |R} to {Left | L} Question 2 of 11 2.0/ 2.0 Points What is the correct IUPAC name for the molecule in question 1? You need not italicize prefixes (i.e. sec-), but please be very careful with spelling and punctuation. Answer Key: 2-bromo-3-ethyl-4,7-dimethylnonane Feedback: {2-bromo-3-ethyl-4,7-dimethylnonane} The longest chain is 9 carbons so nonane. The chain extends Right to Left and then up to the 9th carbon. The chain with the Br as the substituent will become the main chain as it has more substituents than the chain with the upwards pointing ethyl branch. The substituents are listed in alphabetical order where di- does not count. Question 3 of 11 7.0/ 7.0 Points Look at the given molecule and considering how it would be named using IUPAC answer the following questions. Answer Key: 6 |six, yes |y, cyclohexane, 2 |two, counterclockwise, trans Feedback: How many carbons are in the longest chain? {6 |six} Is there a ring? Yes or no {yes |y}
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What would the base name for this molecule be? (include the ring prefix if relevant) {cyclohexane} How many substituents are there? {2 |two} Would the chain be generally numbered clockwise or counterclockwise? {counterclockwise}
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This note was uploaded on 11/12/2010 for the course CHE CHE 8A taught by Professor David during the Fall '09 term at UC Davis.

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ochem problem set 2 - Part 1 of 1 - 63.0/ 70.0 Points...

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