help! S4.4) Which of the following are nucleophiles? Circle your answer(s). со Е
4.(4 pt) Which would be the major product? ОН Ко, он OMEOH оон ОН О, ОМe Со оме VOOME е е MeOH с осос "fiPr “iPr Pr ''iPr
Which of the following is AH for the following reaction? Circle your answer. 2 CaO(s) + 2 CO2(g) → 2 CaCO3 (s)
pls help Following multiple-choice question may have more than one correct answer. Circle all correct answer(s). Selecting the incorrect ones will result in point deduction. Partial credits are available. (6 pts) Without the use of any protecting deprotecting steps, select carboxylic acid(s) that can be synthesized from an appropriate halide through Grignard carboxylation method, but not nitrile hydrolysis method COOH COOH COOH do е. ОН COOH COOH
QUESTION 3 0.5 points Save Answer Which of the following are good nucleophiles and strong bases? Choose all that apply. a. NaCCCH3 b.CH3CH2SNa C. CH3CH2NH2 d. HOC(CH3)3 e. LiN[CH(CH3)2)12 f. KOCH2CH3 9. CH3CO2Na QUESTION 4 0.5 points Save Answer Which of the following are good nucleophiles and weak bases? Choose all that apply. a. LiN[CH(CH3)2)]2 b.CH3CO2Na C. KOCH2CH3 d. NaCCCH3 e. CH3CH2SNA Of. HOC(CH3)3 9. CH3CH2NH2
Rank the following nucleophiles in order from slowest (1) to fastest (4). Explain your answer SH SO OH 00
thank you for your help! Question 4 1 pts All of the following nucleophiles add reversibly to ketones. All of them can be driven to completion by removal of water except one. Which one? A, KCN / HCN В. Меон C. R-NH2 D. R-NH-R OA Question 8 1 pts What are the products of the following reaction? HO CHS A. "a" and "c B. "a" and "d" C. "b" and "c" D. "b" and "d" OA
4. Which of the following bases/nucleophiles are suitable for use in water? On lo ao Do = OCEN NHS Explain your reasoning:
Stuck on 4 & 5 4. Which of the following are good leaving groups? (Circle all that apply) Weak base) Weak acids OH (4,0 B O F CH, HSO4 H- SNC 5. Which of the following are good nucleophiles? (Circle all that apply) STRON CI (KOH (NaNH) NaCN HO HS Nai KOtBu
Which of the following nucleophiles will undergo conjugate addiion in Michael reaction? 0
Which of the following statements is CORRECT? All electrophiles are positively charged species. O All nucleophiles are Lewis bases. All nucleophiles are electron-rich and thus transfer electrons during reactions. All electrophiles are electron- O deficient and thus gain electrons during reactions. O All nucleophiles are negatively charged species.