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Rank the following compounds from largest RF (on the left) to smallest Rf (on the right)...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were spotted on a TLC plate and run. Which plate shows that the reaction mixdure contains a new product and maleic anhydride as excess reagent? 0 . R AMA 0 A MAR TAMA A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were spotted on a TLC plate and run. Which plate shows that the reaction mixture contains a new product and anthracene as the excess reagent? А MA R 10 0 A MA R AMA R 0 AMA R AMA R 0 A MA 20
Question 34 (3 points) Rank the following compounds from largest Rf (on the left) to smallest...
Question 34 (3 points) Rank the following compounds from largest Rf (on the left) to smallest Rf (on the right) in a TLC run with hexane/ethyl acetate mobile phase. OH . HII O>>11 >> O >> >1>111
question in picture A compound has the empirical formula of C7H15CIO. The 'H NMR integration values...
question in picture
A compound has the empirical formula of C7H15CIO. The 'H NMR integration values are 1=57. I=133, III=95. . What are the actual number of each hydrogen atoms? 1-3, 11=7, II=5 1=4, II=8, I=5 1-3, II=8, III=4 1=4, I1=6, III=5 Question 4 (3 points) Rank the following compounds from largest Rf (on the left) to smallest Rf (on the right) in a TLC run with hexane/ethyl acetate mobile phase. OH OH 11 III.
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front...
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front that travels 13 cm. 2) A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the unknown material a pure compound? What can be done to verify the purity of the sample using thin-layer chromatography? 3) You try to synthesize n-hexyl bromide as a product...
Rank the reactivity order of the following dienes with maleic anhydride, starting with the fastest. saat...
Rank the reactivity order of the following dienes with maleic anhydride, starting with the fastest. saat 11 IT TV Ov> III >I> OII > IV>1>11 Oiv>II>II>I II > III > IV>I Which of the following produces no reaction? OH NaOH CH-HAC CHL* CH3CO, Na+ + FzCCO,H CH3CH2 Lit H-0 Which one of these compounds is soluble in water and turns red litmus paper blue? 1-propanol ethylamine p-methylbenzoic acid aniline
Hi can someone help me with my pre lab theory questions (1,2,3) on rate of elution...
Hi can someone help me with my pre lab theory questions (1,2,3)
on rate of elution or Rf? Here is some background below. Please
help explain as many as possible (1-3)! I dont really get the
relation ships in this lab, thank you!
1. What factors affect the rate of elution in organic compounds? 2. Explain what is the relationship between polarities of compounds (polar/non- polar compound) and rate of elution (Rf). 3. Explain what is the relationship between solvent...
Rank the following lists from smallest on the left to largest on the right. If two...
Rank the following lists from smallest on the left to largest on the right. If two entries have equal value, state equal value. (a) Zeff for the Li 1s, 2s, and 2p orbitals. (b) Zeff for the Li2+ 1s, 2s, and 2p orbitals. (c) r for the F 1s, 2s, and 2p orbitals. (d) |Zeff(2s) – Zeff(2p) for Li, F, and Ne. (e) For an H atom, the uncertainty of the e location, for the e in the 1s, 3p,...
QUESTION 24 Rank the following alcohols in decreasing order of acidity. ROH ON OH ОН NC...
QUESTION 24 Rank the following alcohols in decreasing order of acidity. ROH ON OH ОН NC II III A) I>III>II B) III>II>I C) II>III>I DI>II>III A B C D QUESTION 23 How would you use 'H NMR spectroscopy to distinguish between the following two compounds? W H II A) I=3 signals & II=2 signals B) 1-4 signals & I1=3 signals C) 1=5 signals & 11=3 signals A B OC QUESTION 22 Provide the reagents necessary to prepare the following compound...
Unanswered a Save Question 7 Rank these four molecules starting from LOWEST TO HIGHEST boiling point...
Unanswered a Save Question 7 Rank these four molecules starting from LOWEST TO HIGHEST boiling point CH, HC-CIHC-OH HC-CH; O A 1,11, III, IV O B VI, II, II, O C IV, III, 11 O D I , IV, 11, 1 O E I, II, IV, III Unanswered Question 11 An unknown compound is known to contain 40% Carbon, 6.7% Hydrogen, and 53.3% Oxygen. How many hydrogen atoms are there in the empirical formula for this compound? O A 0...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were spotted on a TLC plate and run. Which plate shows that the reaction mixdure contains a new product and maleic anhydride as excess reagent? 0 . R AMA 0 A MAR TAMA A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were...
A reaction was carried out between maleic anhydride (MA) and anthracene (A). The final reaction mixture (R) and samples of both starting materials were spotted on a TLC plate and run. Which plate shows that the reaction mixture contains a new product and anthracene as the excess reagent? А MA R 10 0 A MA R AMA R 0 AMA R AMA R 0 A MA 20
Question 34 (3 points) Rank the following compounds from largest Rf (on the left) to smallest Rf (on the right) in a TLC run with hexane/ethyl acetate mobile phase. OH . HII O>>11 >> O >> >1>111
question in picture
A compound has the empirical formula of C7H15CIO. The 'H NMR integration values are 1=57. I=133, III=95. . What are the actual number of each hydrogen atoms? 1-3, 11=7, II=5 1=4, II=8, I=5 1-3, II=8, III=4 1=4, I1=6, III=5 Question 4 (3 points) Rank the following compounds from largest Rf (on the left) to smallest Rf (on the right) in a TLC run with hexane/ethyl acetate mobile phase. OH OH 11 III.
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front that travels 13 cm. 2) A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the unknown material a pure compound? What can be done to verify the purity of the sample using thin-layer chromatography? 3) You try to synthesize n-hexyl bromide as a product...
Rank the reactivity order of the following dienes with maleic anhydride, starting with the fastest. saat 11 IT TV Ov> III >I> OII > IV>1>11 Oiv>II>II>I II > III > IV>I Which of the following produces no reaction? OH NaOH CH-HAC CHL* CH3CO, Na+ + FzCCO,H CH3CH2 Lit H-0 Which one of these compounds is soluble in water and turns red litmus paper blue? 1-propanol ethylamine p-methylbenzoic acid aniline
Hi can someone help me with my pre lab theory questions (1,2,3)
on rate of elution or Rf? Here is some background below. Please
help explain as many as possible (1-3)! I dont really get the
relation ships in this lab, thank you!
1. What factors affect the rate of elution in organic compounds? 2. Explain what is the relationship between polarities of compounds (polar/non- polar compound) and rate of elution (Rf). 3. Explain what is the relationship between solvent...
Rank the following lists from smallest on the left to largest on the right. If two entries have equal value, state equal value. (a) Zeff for the Li 1s, 2s, and 2p orbitals. (b) Zeff for the Li2+ 1s, 2s, and 2p orbitals. (c) r for the F 1s, 2s, and 2p orbitals. (d) |Zeff(2s) – Zeff(2p) for Li, F, and Ne. (e) For an H atom, the uncertainty of the e location, for the e in the 1s, 3p,...
QUESTION 24 Rank the following alcohols in decreasing order of acidity. ROH ON OH ОН NC II III A) I>III>II B) III>II>I C) II>III>I DI>II>III A B C D QUESTION 23 How would you use 'H NMR spectroscopy to distinguish between the following two compounds? W H II A) I=3 signals & II=2 signals B) 1-4 signals & I1=3 signals C) 1=5 signals & 11=3 signals A B OC QUESTION 22 Provide the reagents necessary to prepare the following compound...
Unanswered a Save Question 7 Rank these four molecules starting from LOWEST TO HIGHEST boiling point CH, HC-CIHC-OH HC-CH; O A 1,11, III, IV O B VI, II, II, O C IV, III, 11 O D I , IV, 11, 1 O E I, II, IV, III Unanswered Question 11 An unknown compound is known to contain 40% Carbon, 6.7% Hydrogen, and 53.3% Oxygen. How many hydrogen atoms are there in the empirical formula for this compound? O A 0...
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