exam1 - Name: Lab Section, Day/Time: CHEM 8 Exam 1...

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

View Full Document Right Arrow Icon
1 CHEM 8 Exam 1 September 23, 2010 Closed book, closed notes, calculator OK, molecular models OK Possibly useful equation: pK a =pH + log([HA]/[A-]) 1. (2 pts each) For the molecules below, choose the best answer. If more than one answer is correct, show all correct answers Which has the shortest C-C bond?__ _D __________ Which has two sp3 hybridized carbons? __ _A, F_ _______ Which has two sp2 hybridized carbons? ____ C ________ What is the hybridization of the Oxygen in molecule B? ____ sp 3 _ _______ What is the hybridization of the Oxygen in molecule F? ____ sp 2 ________ In molecule A, what is the approximate angle of the bonds around carbon? ___ 109.5° _ _ In molecule C, what is the approximate angle of the bonds around carbon? ____ 120° _ _ Which molecule(s) have polar covalent bonds, not counting C-H bonds? B, E, F, G Which bond is more polar, the C-O or the C-H bond in molecule B? ____ C-O ____ Which molecule has the highest dipole moment? ____ E __ ________ Name: Lab Section, Day/Time: C C H H H H C C H H H H H H C C H H C OH H H H O HF A B C D E F NH 3 G
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 10/21/2011 for the course CHEM 008 taught by Professor Dk during the Fall '10 term at UC Merced.

Page1 / 5

exam1 - Name: Lab Section, Day/Time: CHEM 8 Exam 1...

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