Which of the following process will lead to an optically inactive product A. Racemization B. Emiperization...
Q3. Fill in the following blanks with the correct answer (7 Marks) 1. Which of the following process will lead to an optically inactive product A. Racemization B. Emiperization C. Asymmetric synthesis D. None of these 2. Have many optical isomers does tartaric acid have ? A. One B. Two C. three D. Four 3. Which of the following compounds exhibits geometrical isomerism A. Butyne B. 2-butene C. Isobutylene D. None of these 4. Witch of the following object is...
A mixture of equal amounts of two enantiomers ____. A) is optically inactive B) is called a racemic mixture C) implies that the enantiomers are meso forms D) both A and B E) none of the above Label each asymmetric carbon in the compound below as R or S.
Indicate whether the following substance is optically active or not. optically active optically inactive cannot be determined
Which statement is correct regarding a racemiC mixture It is optically inactive. a) It has an optical purity of 0%. It is a 50/50 mixture of diastereomers. b) c) d) Both a and b are true. Which of the following molecules has two stereogenic centers? H C C=C MMe OH HO H IV I and III a) b) II and IV c) I II and IV d) all of them
Indicate whether the following substance is optically active or not. H|Ins optically active optically inactive O cannot be determined
Classify the following as "optically active" (some positive or negative rotation) or optically inactive" (optical rotation of zero). 12. a) A solution of 1-iodohexane b) A solution of (S)-2-iodohexane c) A solution of 40% (S)-3-chlorohexane and 60% (R)-3-chlorohexane d) A solution of equal quantities of (R) and (S) 3-chlorohexane
Which of the solutions listed below would be optically inactive? Select all that applies. a. A solution of a meso compound. b. A solution of a single enantiomer. C. A solution of an achiral organic compound. d. A racemic mixture
10) Which of the following are optically inactive? A) a 50-50 mixture of Rand Senantiomers B) a racemic mixture C) every achiral compound D) a meso compound E) all the above 11) If (S)-glyceraldehyde has a specific rotation of -8.7, what is the specific rotation of (R)-glyceraldehyde? A) +8.7 B) -8.7 C) 0.0 D) cannot be determined from the information given 12) What is the relationship between the following compounds? HCI CH - CH₂ CH3 HEC HCI HEC X сін...
1) Label each of the following molecule as optically active (OA) or optically inactive (OD? (Type in your answer as OA or OL in the blank space below each structure) [6] OH 1:1 Mixture
An aldopentose A, is oxidised to a diacid, B, which is optically active Compound A is also degraded to an aldotetrose, C, which undergoes oxidation to an optically inactive diacid D. Given that A has the D configuration what are the structures of A through to D? Justify your answers.