Question 10 (0.1 points) Which of the following compounds forms basic solutions in water ? OKF...
In aqueous basic or acidic solutions, carbonyl compounds are in
equilibrium with their enol forms.
a) The protonation of enol in a neat sample of the two ketones
below are shown. Explain why they are so different.
b) Show the starting material, conditions and mechanism for
formation of compound E using a Dieckmann condensation
reaction.
c) Provide a product of the following reaction.
CO2CH2CH3 4 x 10-4 % enol 62 % enol (PH)3P-CHz NaH, DMSO
Consider these compounds: CaO As2O3 Li2O SeO2 Which two of these compounds form basic solutions in water?
QUESTION 14 Which statement about organic compounds is true? O In organic compounds, carbon typically forms exactly 5 bonds. Organic compounds usually have low melting points. O Organic compounds are usually polar. Organic compounds are primarily composed of nitrogen atoms. O Organic compounds are usually soluble in water.
Question 6 (5 points) Of the following solutions, which has the greatest buffering capacity? O 0.121 M HF and 0.667 M NaF O 0.821 M HF and 0.909 M NaF 0.100 M HF and 0.217 M NaF They are all buffer solutions and would all have the same capacity.
QUESTION 14 Which statement about organic compounds is true? Organic compounds are usually soluble in water. Organic compounds are usually polar. Organic compounds always have high melting points. Organic compounds are primarily composed of carbon atoms. O In organic compounds, carbon typically forms exactly 5 bonds.
O sodium bromide precipitate forms. water forms. O no precipitate forms. QUESTION 5 When aqueous solutions of sodium chloride and silver acetate are mixed a. sodium acetate precipitate forms. O b. silver acetate precipitate forms O c silver chloride precipitate forms O d. no precipitate forms. QUESTION 6 Copy of For the balanced reaction below, d Initially 30 mL of 2.0 M sulfuric acic H2SO4+ 2 NaOHNa2S 0 a. sulfuric acid
QUESTION 14 Which statement about organic compounds is true? In organic compounds, carbon typically forms exactly 4 bonds. Organic compounds always have very high melting points. Organic compounds are usually polar. Organic compounds are primarily composed of nitrogen atoms. Organic compounds are usually soluble in water.
Which of the following solutions is the most basic ? 0.1 M HCI a solution PH=9.5 a solution POH=8.5 a solution with [OH-] = 1.0 x 10-11 M a solution with (H+) -1.0 x 10-6 M Calculate the equilibrium constant (K) for a balanced redox reaction that involves 6 electrons and has AG= 410000 joules at 25°C. a. 1.4 * 1072 b.8.9 x 10-73 C.1.35 x 10-72 d. 1,5x1024 0.4.6 x 10 31
Please explain each answer
Predict whether aqueous solutions of the following compounds are acidic, basic, or neutral. compound Cr(NO) solution is...? acidic O basic O neutral NH,CI O acidic basic O neutral acidic Nal basic neutral x 6 ?
please correct me
a Which of the following solutions are acidic? (Select all that apply.) 0.1 M NaCH3CO2 ✓ 0.1 M NaCl 0.1 M CH3CO2H 0.1 M NHÀ 0.1 M Na2CO3 ✓ 0.1 M NHACI b Which of the following solutions are basic? (Select all that apply.) 0.1 M NaCH3CO2 ✓ 0.1 M NaCl X 0.1 M CH3 CO2H ✓ 0.1 M NH3 0.1 M Na, CO, 0.1 M NHACI Which of the following solutions is most acidie? 0.1 M...