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4. Which one of the following compounds will not react with HC=CNa? MeBr PhCH Br Ph...
3. Which one of the following compounds is present as a pair of stereoisomers? 3-pentanol 4-methylcyclohexanol 2-butyne 2-bromopropane 1-butene А B С D E 4. Which one of the following compounds will not react with HC=CNa? MeBr PhCH Br PhCHCHЬBr PhBr CH.CHBr А B С D E 5. Which of the following compounds will produce a tertiary alcohol when treated with aqueous acid (H2O, H,0")? none of them all of them С B D E
3. Which one of the following alkyl halides would react faster by unimolecular nucleophilic substitution (SN.)? PhCH,CI Phci (CH),CHCI CHCI Ph CHCI A B D E 4. Which one of the following compounds is optically active (chiral). С D A B
6. Which one of the following compounds will react the fastest in an Syl reaction? a a a a all are equally reactive A B с D E 7. Which one of the following compounds will not react with NaBH and H20 all of them PhCHO Mezco MCO Me OCH, react with NaBH4 А B С D E
Which one of the following compounds is an
acetal?
Which one of the following compounds is an acetal? OEt ОН Co ou E A B С D Which one of the following carbonyl compounds will react faster by nucleophilic attack? (CH3)2CHCHO (CH3)3CCHO (t-Bu)2CO CH3CHO A B C D (CH3)2CO E
3. Which one of the following alkyl halides would react faster by unimolecular nucleophilic substitution (SN1)? PhCH2C1 Phci Ph2CHCI CH3C1 (CH3)2CHCI A B С D E 4. Which one of the following compounds is optically active (chiral). A B С D E
The major product of the reaction below would be: 1) NaOEt 2) PhCH Br 3) NaOET 4) CH2CH Br 5) H3O+, heat Select one: Оа. ob. ОН О с. ОН d,
6. Which one of the following compounds is not an Oxidizing agent? PCC LiAlH4 03 KMnO4 H2Cr04 A B С D E 7. Which one of the following carbocations will rearrange? + Ph st Ph A B С D E
6. Which one of the following compounds is not an Oxidizing agent? PCC KMn04 0, NaBH H,Cr04 D E С А B 7. Which one of the following carbocations will rearrange? -Ph Ph E D B
7. Which one of the following compounds is an alcohol? A) OH HC — -сна OI B) H2 H3C- C-CH C) H2 — -CH3 H3C — СС H D) H3C-C E) H3CSH HA H2 -CH3
5. Which one of the following carbonyl compounds will react faster by nucleophilic attack? (CH3)2CHCHO (CH3)3CCHO (t-Bu),CO (CH3)2CO с D CH3CHO А B 2