4. Which of the following bases/nucleophiles are suitable for use in water? On lo ao Do = OCEN NHS Explain your...
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
12) Rank the following in order of increasing basicity: CH0, H2N-, H20, and NHs, Explain your reasoning
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
20. Which of the following compounds are soluble in water? Explain your reasoning for each compound (a) potassium nitrate, KNO3 (used to manufacture gunpowder) () lithium carbonate, Li2CO3 (used to treat people who suffer from depression) 5 (c) lead(II) oxide, PbO (used to make crystal glass)
Which of the following solvents would potentially be suitable for extracting an organic compound from water? (You should be able to answer this question based on your general knowledge of organic solvents.) A. diethyl ether B. chloroform C. hexane D. ethanol E. acetone
4. a) Discuss the RESET Test. Be sure to include the following elements in your discussion: i) Purpose ii) Detailed instructions as to practical implementation (state the null and alternative hypotheses, give the formula for the test statistic, etc.) i) A suitable STATA sub-program from which the test-statistic may be calculated or obtained iv) Interpretation of the test result:s v) Implications of the test results for further econometric investigation b) Discuss how you might get the "wrong sign" in an...
Q66 Briefly Explain the following: (a) Quality Function Deployment (QFD): and [2 Marks] (b) Pareto analysis. [2 Marks] Note: Illustrate your answer with suitable examples. DO NOT WRITE THE ANSWERS - USE WORD FORMAT. NO PLAGIARISM IS REQUIRED.
4. Which compound is more stable? Explain your reasoning.
Name: /232 Student Number 9.) Which of the following pairs must be isomers? Explain your conclusion in each instance and indicate the type of isomerization present if applicable. (5 marks each) a.) [CrCl2(NHs)2(OH2)2]Cl and [CrCl2(OH2)2(NH3)2]Cl b.) [PtCl(NH3)Br2 and [PtBr2(NHa)4]Cl2 c.) [Co(NHs)e]Cls and [Co(NHs)elCl2 Cannot be isomers he chamical Cormule is different. Ore has a ci and the oftor has 3. d.) [Co(NO2)(NHs)s]2 and [Co(ONO) (NH3)s2