Which pair of compounds would react to produce a polymer? Select one: a. a diacid and...
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
Which one of the following chemicals would react with sebacoyl chloride to form a polymer? a. Triethylamine b. Oxalyl chloride c. Ethanol d. Ethylenediamine
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 C) H2Cr04 D) CH3MgBr, followed by HCI - 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H20? A) isobutyl alcohol B) tert-butyl alcohol C) sec-butyl alcohol D) n-butyl alcohol 16) Which of the following methods will NOT produce an alcohol as the product? A) hydroboration-oxidation of an alkene B) oxidation of an...
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 C) H2C704 D) CH3MgBr, followed by HCI 15) - 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H20? A) isobutyl alcohol B) tert-butyl alcohol C) seo-butyl alcohol D) n-butyl alcohol 16) 16) Which of the following methods will NOT produce an alcohol as the product? A) hydroboration-oxidation of an alkene B) oxidation...
Which of the following is a naturally occurring polymer? Select one: O a. nylon Io O b. perspex C. polyurethane d. silk o e. terylene Which of the following amino acids have sidechains which can form hydrophobic pockets where London Dispersion Forces between sidechains predominate? Select one: a. Aspartic acid O b. Serine C. Tyrosine d. Isoleucine o e. Glutamine
In which pair do both compounds exhibit predominantly ionic bonding? Select one: a. BaF2 and H20 b. Na2SO3 and NH3 C. SCL and HF O d. KI and 03 e. RbCl and MgS
For each pair of the following compounds, which would react
faster in an Sn1 reaction. Explain.
Which of the following is a synthetic polymer? Select one: a. cellulose O b. polyisoprene C. DNA d. poly(hexamethyleneadipamide) e. enzymes
Which of the following is a natural polymer? Select one: O a. Rubber b. Polyester c. Silk d. Rubber & polyester e. Rubber & silk
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