Exam 2 blue key

Exam 2 blue key - Examination #2 March 17, 2008 CH101...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Examination #2 March 17, 2008 CH101 Section 003 Dr. T. Brent Gunnoe Your Name: ____Blue key __________________________ INSTRUCTIONS 1) The answer sheet is double sided and is separate from the exam. BE CERTAIN TO PUT YOUR NAME ON THE ANSWER SHEET. When you are finished, turn in your exam and the answer sheet. THE ONLY ANSWERS THAT WILL COUNT ARE THOSE ON YOUR ANSWER SHEET. Your exam will not be returned, only the answer sheet. 2) You may use the back of each page for scrap paper. 3) Unless you indicate otherwise via an email to Prof. Gunnoe, your exam will be returned in class by placing in a folder with the first letter of your last name. 4) TURN OFF YOUR CELL PHONE! 5) When you complete the exam, quietly turn in all pages at the front of the room.
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. Which bond is the most polar (2 points)? Write the correct answer. Al-Cl Al-P Al-S Al-Si 2. Which bond dipole(s) show(s) the correct bond polarity (there may be more than one correct answer; 2 points)? On the answer sheet, circle all correct answers. N C B C Cl F Cl F 3. Indicate the type of bond ( σ,σ∗, π, π∗ or none) for each orbital overlap depicted below (2 points each): I. II. III. 4. Using molecular orbital theory, if 2 atoms of nitrogen form a bond, how many molecular orbitals will result (2 points)? 5. Answer the questions by filling in the correct value for the molecule on the right (2 points each): I) Approximate bond angle of α II) The hybridization of atom labeled "2" III) The shortest carbon-carbon bond (A, B, C or D) IV) The hybridization of atom labeled "1" V) Approximate bond angle of β VI) The bond order of the bond labeled "B" 6. Classify each molecule below as non-polar or polar (part a) and circle all intermolecular forces (part b, see answer sheet) that exist (2 points each response, no partial credit): I. II. 7. For the molecule PF 3 , indicate the total number of valence electrons (1 point), shared electron pairs (1 point, NOTE: shared pairs not shared electrons ) and lone electron pairs (1 point) (NOTE: lone pairs not # of electrons ). b) In the box provided, draw the best Lewis structure (2 points). c) Label the molecular shape (1 point). 8. For the cation [NH
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This test prep was uploaded on 03/20/2008 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

Page1 / 6

Exam 2 blue key - Examination #2 March 17, 2008 CH101...

This preview shows document pages 1 - 3. Sign up to view the full document.

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