with methoxide? 43. Which of the following is true about the reaction of L. The
ID: 698238 • Letter: W
Question
with methoxide? 43. Which of the following is true about the reaction of L. The reaction is E2 elimination with anti-periplanar substrate configuration IL The reaction is concerted IIl The reaction produces the less substituted alkene due to size of the base IV. A favorable yield requires high concentration of 3-bromo-2-methylpentane and methanol as the solvent A. Iand Iil only B. l only C. D· E- Il and Ill only l,", and ill only l,II, Ill, and 44. Which of the following solvents may be classified as polar and protic? A. t-butyl alcohol B. Diethyl ether C. t-butyl isopropyl ether D. Acetone E. Both A and D 45. Which of the following organic halides will undergo E1 elimination the fastest on heating with KOH in alcohol? A. 2,2-dimethyl-1-bromopropane B. 2,2-dimethyl-1-bromocyclohexane C. Benzyl chloride (CaHsCH-CI) D. 2,5-dimethyl-1-bromobenzene E. Allyl chloride 1-butyne has a boiling point of 8.1 what is the phase of propyne at room temperature and 1 atm pressure? 46, A. Gas B. Liquid C. Solid D. Supercritical fluid 47. The regiochemistry of hydroboration/oxidation of terminal alkynes is A. Markovnikov-major product is a ketone 8. Non-Markovnikov-major product is an aldehyde C. Follows Zaitsev's Rule D. Markovnikov- major product is an aldehyde E. Non-Markovnikov-major product is a ketoneExplanation / Answer
1. All are true. So ans is E
2. A) t-butyl alcohol .
It is polar and protic.
3) Propyne is a gas at room temperature. Option A
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.