Winter Midterm Test

Winter Midterm Test - SC/CHEM 2020 6.0 Y06 Organic...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 2020 Y06 SC/CHEM 2020 6.0 Y06 Organic Chemistry Mid-Course Test Tuesday, December 19, 2006 Test value: 20% Time available: 120 min Total marks: 100 Family Name: Given Name: Lab Group (CIRCLE ONE): 99 Mon Tue a.m. Tue p.m. Wed day Wed eve Thu day Thu eve Fri PLEASE PRINT York ID #: PLEASE PRINT Instructions Material allowed: calculator, molecular model. No dictionaries, no extra paper. Use ink pen only (no pencils). Use the blank pages (see page 5) for rough work. Cross out material not to be marked. Use the mark value of each question to allocate your time. Stay seated & quiet until all papers have been collected. Keep your eyes on your own paper at all times. 1. Give systematic (IUPAC) names for each of the following: [ 4 marks each = 12 marks total] (a) (b) (c) 2. Give a specific example (without generic groups X, R or Ar) of each of the following. [ 6 marks] (a) a secondary chloroalkane (b) a geminal dibromo compound (c) an internal alkyne 3. Using the p K a values given, indicate, by checking off the appropriate box ( & ), whether the products or the reactants will dominate the following acid-base equilibria. [ 6 H 3 C C CH 3 C CH 3 H 3 C label as E or Z label as R or S (a) (b) reactants products reactants products reactants products K a values: C C H H 3 C 25 52 H 3 C H HO H 15.7 (H 3 C) 3 CO H 19 C C H CH 3 + LiCH 3 C C 3 _ Li + 4 C C 3 _ Na + + H 2 O + NaOH C C H 3 (CH 3 ) 3 C OH + KOH 3 ) 3 C O _ K + + H 2 O OH E -4-pentylhept-2-en-5-yne or E -4-pentylhept-5-en-2-yne The E can also be next to the position number of the double bond (i.e. …hept-2 E -en…) E-4-(1-propenyl)non-2-yne = 2 marks E-4-(1-propynyl)non-2-ene = 2 marks -0.5 mark for each missing underlined element longest chain with max. unsaturation Simpson Homer Duh S -5-methylcyclohexa-1,3-diene S -6-methylcyclohexa-1,3-diene = 3.5 marks The S can also be next to the position number of the methyl group.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/14/2010 for the course ORGO Chem2020 taught by Professor Potvin during the Spring '10 term at York University.

Page1 / 4

Winter Midterm Test - SC/CHEM 2020 6.0 Y06 Organic...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online