Fall 07 exam 1 - Chemistry 261 Exam I Fall 2007...

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

View Full Document Right Arrow Icon
Chemistry 261 Exam I Fall 2007 INSTRUCTIONS: 1) Final answers must be in ink to be graded. 2) Circle one option in multiple choice questions and write or draw your answers where prompted for all other questions. 3) Use the back of each page for scratch space. 4) Please read each question very carefully. 5) Prioritize your time: all multiple choice questions are assigned 5 points (15 total), all other questions are assigned 15 points (5 total). Name _______________________________
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 of the following statements about π molecular orbitals is CORRECT ? a) π molecular orbitals are cylindrically symmetric. b) Most of the electron density in a π molecular orbital is centered above and below the internuclear axis. c) When two atoms are connected by a double bond, both of these bonds are π bonds. d) Both statements B and C are correct. e) Statements A, B, and C are all correct. 2. Which of the following is TRUE concerning the resonance-stabilized anion [PO 4 ] 3- ? a) Three of the phosphorous-oxygen bonds are equal in length, and one phosphorous-oxygen bond is shorter in length. b) In the resonance-hybrid structure, all of the oxygens bear an equal
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 note was uploaded on 10/21/2009 for the course MA 16200-018 taught by Professor Davidcatlin during the Spring '09 term at Purdue University-West Lafayette.

Page1 / 9

Fall 07 exam 1 - Chemistry 261 Exam I Fall 2007...

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