CHEM 232 Exam 2 Questions and Answers 100% PASS

CHEM 232 Exam 2 Questions and
Answers 100% PASS

acidity _____ going down columns on the periodic table - CORRECT ANSWER-

increases

stronger acid = ________ conjugate base - CORRECT ANSWER-weaker

acidity _____ going left to right across a row on the periodic table - CORRECT

ANSWER-increases

what hybridization makes the strongest acid - CORRECT ANSWER-sp

what hybridization makes the weakest acid - CORRECT ANSWER-sp3

what hybridization makes the strongest base - CORRECT ANSWER-sp3

what hybridization makes the weakest base - CORRECT ANSWER-sp

is pka 3.2 (H-F) weaker or stronger than pka -10 (H-I) - CORRECT ANSWER-

Pka -10 (H-I)

larger angle = _____ stable - CORRECT ANSWER-more

which angle is larger? 60 or 120 - CORRECT ANSWER-120, so its more stable

what is a confirmation? - CORRECT ANSWER-a twisted structure

, CnH2n+2 - CORRECT ANSWER-alkane formula

CnH2n - CORRECT ANSWER-cycloalkane formula

primary source of alkanes - CORRECT ANSWER-petroleum

what is catalytic cracking - CORRECT ANSWER-mix of alkanes (C12 & higher) --

-> (catalyst @ 500 C) highly branched hydrocarbons (C5-C10)

common name of isoctane - CORRECT ANSWER-gasoline

ch4 - CORRECT ANSWER-methane

c2h6 - CORRECT ANSWER-ethane

c3h8 - CORRECT ANSWER-propane

c4h10 - CORRECT ANSWER-butane

prefix meth- - CORRECT ANSWER-1 carbon

prefix eth- - CORRECT ANSWER-2 carbons

prefix prop- - CORRECT ANSWER-3 carbons

Prefix but- - CORRECT ANSWER-4 carbons

prefix pent- - CORRECT ANSWER-5 carbons

what does the change from EX. methane to methyl represent - CORRECT

ANSWER-the removal of one hydrogen




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