CHEM 232- Reagent Cabinet List Exam Questions and Answers 100% PASS

CHEM 232- Reagent Cabinet List
Exam Questions and Answers
100% PASS

Tollens Reagent - CORRECT ANSWER-NH4 aldehydes to carboxylic acids

Friedel-Crafts Alkylation - CORRECT ANSWER-Adds R group to Benzene;

Beware rearrangements on carbocation

Friedel-Crafts Acylation - CORRECT ANSWER-Ketone on benzene with acyl

chloride

Hydroboration-Oxidation - CORRECT ANSWER-H2O2 NaOH; Anti-

Markovnikov, concerted SYN-Addition; Adds OH to alkene

Hydration of Alkenes - CORRECT ANSWER-Adds C=O bond at END or least

substituted; Anti markovnikov

Bromination - CORRECT ANSWER-Heat; Alkane to alkyl halide

Halogenation - CORRECT ANSWER-1 equiv: alkyne->alkene or alkene ->

alkane; Anti Addition; 2 equiv: alkyne to alkane

Halohydrin Synthesis - CORRECT ANSWER-Leads to epoxidation with HOH or

ROH; AntiAddition; X on least substituted (regiospecific)

, Grignard Reagents - CORRECT ANSWER-C(-) Nucleophile; Only react with

Carbonyls and epoxides (Sn2); STRONG BASE; C=O to C-OH; 1-2 carbonyl

addition

Activation of Alcohols via Sulfonyl Chlorides - CORRECT ANSWER-ClMs and

ClTs; No inversion

Jones Reagent - CORRECT ANSWER-CrO3, H2SO4, H2O; Primary alcohol to

carboxylic acid; Secondary alcohol to ketone

PCC - CORRECT ANSWER-HCl and Pyridine; Primary alcohol to aldehyde;

Secondary alcohol to ketone

Benzene halogenation - CORRECT ANSWER-FeBr3 and FeCl3

Hydrogenation - CORRECT ANSWER-Alkenes/Alkynes to Pt0; SYN; Alkenes-

Pt0, pb(OAc)2, quinoline; Cis Alkene; Of Benzene Ring: Ni, Heat, high pressure

H2; Benzylic Position: H2 Pd/C

Syn-Dihydroxylation - CORRECT ANSWER-With OsO4 Stoichiometric

Dehydration - CORRECT ANSWER-With Heat

Hydration - CORRECT ANSWER-With H2O; Markovnikov

Alkene Isomerization - CORRECT ANSWER-To form most stable alkene




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