2005 210-2 Lab final

2005 210-2 Lab final - Chem 210-2 : Winter 2005 Lab Final...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 210-2 : Winter 2005 NAME _____________________________ Lab Final Dr. Priest & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & Multiple-choice answers should be marked on both the exam and the bubble sheet. However, only answers marked on the bubble sheet in #2 pencil will be graded. Scrap paper will not be collected or graded. All answers must fit in the spaces provided in the exam. If asked to move during the exam, please do so immediately and without question. There are 32 questions; make sure you have all 32 in your exam. Good luck on finals and enjoy the holiday break!
Background image of page 1

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

View Full DocumentRight Arrow Icon
1-20 21 22-23 24 25 26 27 Total 200 pts. 56 8 6 12 14 20 4 31 30 29 14 20 20 32 20 28 6
Background image of page 2
1. How many unique hydrogens are there in the following molecule (i.e., how many proton resonances are there for the molecule)? a) 6 b) 7 c) 8 d) 9 e) 10 H O H O H H 2. In a 100 MHz magnetic field, the distribution of spin states for protons would most closely resemble a) 1,000,004 -1/2 and 1,000,000 +1/2 b) 1,000,004 +1/2 and 1,000,000 -1/2 c) 1,000,000 +1/2 and 2,000,000 –1/2 d) 2,000,000 +1/2 and 1,000,000 –1/2 e) 1,000,000 +1/2 and 1,000,006 –1/2 3. Retention time in gas chromatography is not affected by: a) the nature of the stationary phase. b) the concentration of the sample c) the temperature at which the column is maintained d) the rate of flow of the inert gas e) the length of the column 4. At room temperature, what is the hybridization of the nitrogen atom and the associated bond angles around nitrogen in methylamine, CH 3 NH 2 ? a) sp and 120° b) sp and 180° c) sp 2 and 109.5° d) sp 2 and 120° e) sp 3 and 109.5° 5. The Burgi-Dunitz angle is approximately: a) 60° b) 90° c) 109° d) 120° e) 180°
Background image of page 3

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

View Full DocumentRight Arrow Icon
6. At room temperature, what is the hybridization of the nitrogen atom and the associated bond angles around nitrogen in DEET ? a)
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/28/2012 for the course CHEM 210-1 taught by Professor Trzupek during the Fall '08 term at Northwestern.

Page1 / 14

2005 210-2 Lab final - Chem 210-2 : Winter 2005 Lab Final...

This preview shows document pages 1 - 5. Sign up to view the full document.

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