38. Reaction of sodium ethoxide with 1-bromopentane at 30°C yields primarily: A) CH3CH2CH2CH2CH2OH B) CH3CH2CH2CH2CH2OCH2CH3 C) CH3CH2CH=CHCH3 D) CH3CH2CH2CH2CH3 E) CH3CH2CH2CH=CH2

3) Draw the structure of the major product that results when cyclohexane carbaldehyde is treated with each of the reagents shown. Write NR if no reaction is expected. CH3NH2 (CH3)2NH N(CH3)3 O H cyclohexane carbaldehyde C 1) CH3MgBr 2) H3O+ NaBH4, EtOH H2₂O, NaOH H₂SO4, EtOH (excess)

Identify the correct IUPAC name for each compound shown below. OA) 2-bromo-4-ethyl-3-sec-butylhexane B) 4-(1-bromoethyl)-5-ethyl-3-methylheptane OC) 2-bromo-3-sec-butyl-4-ethylhexane O D) 4-(1-bromoethyl)-3-ethyl-5-methylheptane OE) 3-(1-bromoethyl)-2,4-diethylhexane

QUESTION 1 * Which, reagent combination will achieve this transformation? CN HO A) 1) HBr 2) NaCN 3) H2O B) 1) NaCN 2) H2SO4 C) 1) MCPBA 2) NaCN 3) H20 D) None of the above O A QUESTION 2 Which reagent combination will achieve this transformation?