Exam 1 Answer Key | Introductory General Chemistry II with Lab | CHEM 1020, Exams of Chemistry

Download Exam 1 Answer Key | Introductory General Chemistry II with Lab | CHEM 1020 and more Exams Chemistry in PDF only on Docsity!

Chem 1020 EXAMI 2-05-13 AS 5 a= 7 Name Multiple Choice. Place the CAPITAL LETTER of the best response in the blank provided at the left. (3 points each.) A A 1. Which of the following molecules is saturated? (A) Jos (B) (©) CH;CH,CHCH H—C ==C —CH,CH; CH, CH; CH, @) O (E) all of the above c 2. Isomers occur when (A) a compound contains a C atoms (B) electronegative atoms like O and N are present (C) C forms multiple (double or triple) bonds to itself (D) C forms more than four bonds (E) a given molecular formula can exist as more than one structure A [A 3. Hydrocarbons typically (A) have low melting points (B)yare-polar —(€)-are more dense than water (D).are-sotuble in water (E) have -high boiling points »D 4. In complete combustion, the products are (A) C (B) CO and H,O (C) C, or CO or CO, (D) CO, and H,O (E) CO or CO, u 5. Cyclopropane is less stable than propane because (A) cyclopropane is more dense than propane (B) cyclopropane has a higher boiling point (C) cyclopropane has fewer hydrogen atoms (D) the C — C —C bond angle in cyclopropane is larger than it is in propane (E) the bond angle in cyclopropane is constrained to be about 60°, although its preferred angle is closer to 109.5°