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Question 11 1 pts Which of the following organic bases CANNOT use resonance to delocalize the...
Question 11 1 pts Which of the following sets of quantum numbers cannot exist for an electron in a d orbital? O 3, 2, 1,-1/2 O 5, 1, 0,-1/2 o 3, 2, 2, 1/2 O 3,2,0, 1/2 O 4, 2, 1, 1/2
Question 7 1 pts How many equivalent resonance structures can be drawn for NO2F (N is the central atom) where all atoms satisfy the octet rule? 03 0 1 o 4 O 2 Question 8 1 pts A resonance structure of ozone (03) is given blow. What is the formal charge on the central oxygen atom? ö-0–o: O +2 o-2 00 +1 Question 9 1 pts Which of the following is the best Lewis structure for CIF +? : 51:...
Question 18 3 pts Which one of the following bases is the weakest? aniline, CH NH, with a pk- 9.37 ethylamine, CyHNH, with a pkb = 3.19 O hydrazine, H2NNH, with a pk- 5.89 hydroxylamine, HONH, with apko -7.96
Question 10 Which of the following statements is FALSE? Resonance forms must obey normal valency rules. Resonance is a fast equilibrium between two species. Resonance forms represent the extremes of something that really exists in between. Resonance forms differ in their arrangement of electrons only. Question 9 What is the formal charge of the nitrogen in the molecule shown below? N-H O-1 O-2 O +1 Question 8 2 pts Consider the following acid base reaction: OH CH,00 CH3OH pka =...
2 of 11 Score: 0 of 10 pts Which of the following values cannot be probabilities? 0.01, V2. 1, 1.27.5/3, 3/5, 0. -0.55 Select all the values that cannot be probabilities. OB. 3 c.0.55 D. 1.27 E. 0 DG. 5 H. 0.01
Question 9 0/1 pts Which one of the following bases is the strongest? Triethylamine (Et3N) Potassium tert-butoxide (KOtBu) Sodium hydroxide (NaOH) Pyridine Lithium diisopropylamide (LDA)
Question 11 4 pts Which of the four compounds below cannot be converted to the desired aldehyde in a single step? HạN OH 0 e Bo-o oc G D Previous Next →
Question 3 1 pts Which of the following is used to move the organic acid into the aqueous layer? + 6N NaOH 6 NHCI dichloromethane 0 1.5M NaOH water at pH 7
796 Question 11 1 pts IfA=0,B-1, and Con=1 for the following diagram, which statement is true? se Cin •Cout OS-O and Cout=0 OS-1 and Cout=0 O SEO and Cout=1 O S= 1 and Cout=1 1 pts Question 12 How many of the following statements are true regarding signed numbers as implemented in the MIPS architecture? Stop sharing Il Proctorio is sharing your screen. • 2n-1 cannot be represented. The most significant bit is used to represent the sign of the...
D Question 11 6 pts Which structure is a major organic product of the multi-step reaction shown? Recall that the numbers in front of the reagents tells the order of the addition 1) NaNHANH, 2) CH CH Br 3) HgSO4/H2SO4/H,0 // D Question 14 6 pts Which group is considered a deactivator in electrophilic aromatic substitution (EA.S.) reactions? The dashed line indicates where the group is attached to benzene. OH —ОН