CHEM 162A AUTUMN () VERSION A EXAM #2 PRACTICE EXAM QUESTIONS AND ANSWERS COMPLETE DOCS UNIVERSITY OF WASHINGTON

CHEM 162A AUTUMN (2019-2022) VERSION A EXAM #2 PRACTICE EXAM QUESTIONS
AND ANSWERS COMPLETE DOCS UNIVERSITY OF WASHINGTON

, 1. A hydrocarbon with the molecular formula C10H22 falls into which functional group?
A. Alkane
B. Alkene
C. Alkyne
D. Aromatic
E. Aromatic or alkyne




2. Compare amphoteric ion hydrogen sulfate (HSO4 -) and amphoteric oxide beryllium oxide (BeO).

Reacts with Reacts with Dissolves in
HCl NaOH water
- -
A. HSO 4 and BeO HSO 4 and BeO neither
- -
B. BeO HSO4 HSO4
C. HSO4- BeO HSO4- and BeO
- - -
D. HSO4 and BeO HSO4 and BeO HSO4
- -
E. HSO4 and BeO HSO4 and BeO BeO




3. Benzene (C6H6) can be used as a solvent for organic reactions. What is the freezing point of a solution that is
0.25 m toluene (C7H8) in
benzene.A. +0.47oC
B. +4.2oC
C. +6.8oC
D. -1.3oC
E. -0.47oC