quiz1_crib_F_2011 - 5. (4 pts.) Write the IUPAC or common...

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

View Full Document Right Arrow Icon
CHM 257 Friday, September 9, 2011 20 pts. Quiz #1 Name__________________________ Lab TA_________________________ Lab Period______________________ Page 1 2. (4 pts.) Draw the Lewis structure for methanol, CH 3 OH. Include lone pairs. 1. (4 pts.) Write the number of valence electrons for the following atoms. Carbon: Hydrogen: Oxygen: Boron: 4. (2 pts.) Give the formal charge on the nitrogen in each of the following structures. O N O O N H H H 3. (1 pts.) Is the molecule from question #2, methanol (CH 3 OH), polar or non-polar? (Write "NO LAB" if you are not taking lab.) 1 6 4 3 C H H H O H polar 0 +1
Background image of page 1

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

View Full DocumentRight Arrow Icon
Page 2 CHM 257 Friday, September 9, 2011 20 pts. Quiz #1 Name__________________________ Lab TA_________________________ Lab Period______________________
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 5. (4 pts.) Write the IUPAC or common name for the compounds that are listed below. 6. (3 pts.) Three constitutional isomers have the formula C 5 H 12 . Draw the three different isomers according to the number of carbons in their parent chain. 7. (2 pts.) Label each of the conformations of the following alkane as either staggered or eclipsed. 5 carbons in the parent chain 4 carbons in the parent chain 3 carbons in the parent chain = = (Write "NO LAB" if you are not taking lab.) 2-methylpentane or isohexane 3-ethyl-4-methylhexane CH 3 CH 2 CH 2 CH 2 CH 3 or or CH 3 CHCH 2 CH 3 CH 3 or CH 3 CCH 3 CH 3 CH 3 staggered eclipsed...
View Full Document

This note was uploaded on 12/09/2011 for the course CHM 257 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

Page1 / 2

quiz1_crib_F_2011 - 5. (4 pts.) Write the IUPAC or common...

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