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ctrl Х alt alt find CH-CH-OH CH-CH2-O-CH2-CH, CH, v VI CH, OH Examine the following compounds,...
The following sketch shows the results of a paper chromatography experiment. At the beginning, pure substances A, B, and C were spotted at the points labeled as "x" marks. The dotted line shows the solvent front. The Rf values of A, B, and C are respectively 0.25, 0.75, and 0.50. Where would you expect the spots for the three substances to be when the experiment is completed? Sketch rough circles. 100 BO + 60 40 20 0 x B CHY-CH-CH-CH)...
48. The half-life of P-33 is 25.3 days. How long will it take for 64 g of P-33 to deplete to 1.0 g? A. 11 days B. 75 days C. 100 days D. 120 days E. 152 days 33. Which substance is the reducing agent in HF + Cl2 → F2 + HCI? A. HE B. Cl2 C. F2 D. HCI E. H2O in which this reaction takes place. 34. Which is not a definition of reduction> A. Gain of...
Organic molecules have the same molecular formula but differ in the arrangement of atoms or groups in space and rotate the plane-polarized light to right or left are called Geometrical isomers b. Optical isomers Constitutionalisomers d. Inorganic molecules 30. Organic molecules have the same molecular formula but differ in the arrangement of atoms or groups in space are called............... a Geometrical isomers b. Optical isomers c. Constitutional isomers d. Inorganic molecules 31. What is the relationship between the following two...
Which of the following pairs of compounds are isomers? A) CH3 -CH2-O-CH2-CH3 and CH2-0 - CH2-CH3 CH3 B) 0 CH3-CH2-C- CH3 and CH3 - CH2 - CH2-CH ОН CH3-CH2-CH-OH and CH3 - CH-CH2-CH3 CH3 D) CH3-CH2-CH2-OH and CH3-O-CH3 CH3CH2OH and HC CH3
21. Consider the following: CHj CH2 CH-CHCH2 CH CH CH2 CH2 CH2 CH-CH2 CH3 CH-CHCH2 CH2 CH3 CH2-CHCH2 CH2 CH2 CH3 IV which two structures represent the same compound? a. I and II b. II and III c. I and III d. II and IV e. None of these 22. In which of these cases, does the central atom have a zero forma.l charge? a. HEH CH3 OCH3 C. F FBF d. H CH3 H CH3 CH CH3 CCH CH3...
Question 14 1 pts Which of the following compounds contains an ether functional group? CH3-CH2-O-CH2-CH, OCH-O-H o CH3-CH2-C.CH co CH3-CH CH CH3-C OH CH₃ D Question 15 1 pts acer
11.21 Group all the following compounds together that repre structural isomers of each other: a. CH,-CH,-C-OH d. CH3-C-CH,-CH, OH O e. CH,-CH C-H g. HO CH, CH CH2-OH
5. Which of the following structures is an isomer of the compound in the box? CHE Chu-Chi-CH-CH-CH, A CH:CH-CH2 - CH2 B. CH, CH CH үн. CH-CH-CH-CHECK to the CH сна C. 8_5-8 CH-CH2CH сна D. CHECH-CH2-CH-CH3 1 CHE CHE 6. Determine the following pairs whether they are conformational isomers, structural (constitutional) isomers, optical isomers, geometric isomers, or not isomers. A. B. OH c. D. E F. H G. H. HO I J. K. L.
HO CH сн. CH2 нс HC CH3 HAC-HC CH CH CH CH d) OH OH 13. The labels have fallen off three bottles. Bottle A contains a gas, bottle B contains a liquid, and bottle C contains a solid. The labels indicate that the compounds have the same number of carbon atoms, one being an alkane, one an alcohol, and the other a carboxylic acid. Suggest the identity of the contents of each bottle, and give reasons for your explanation...
Identify the functional groups present in ibuprofen. O Н.С. CH OH A) phenol and ketone B) carboxylic acid and phenol C) carboxylic acid and benzene ring Н3С. CH2 D) alcohol, ketone and benzene ring CH CH3 Which of the following molecules is aromatic? A B OH NH2 A) A OH B) B C) C NH2 DD What is the classification of the side chain R group in the amino acid shown here? + ཡ་ས་ཡ H2N-CH-C-0 A) acidic CH2 B) basic...