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Which represents a gauche conformation? A B C D E CI Н. CI CI CI H...
3) Which of the following compounds is chiral? A) H Н-С-н н B) H HO C-OH Н C) CH3 HO-C-H Cl D) Br Н-С-ОН н E) C Br- C-C Br 4) In the L- isomer of a Fischer projection of a monosaccharide, the -OH group furthest from the carbonyl is written A) on the left of the top chiral carbon B) on the right of the top chiral carbon C) on the left of the middle chiral carbon D) on...
NA afte. 9 Select the most stable conformation for trans-1-tert-butyl-3-methylcyclohexane. н D A 10. Which of the following compounds are optically active [will rotate plane polarized light (is chiral)]? CIL CI CI CI C/. CI A CI CI В D С 11. Rank absorption of the indicated bonds in decreasing (highest to lowest) wavenumber. II н x III a) III> II>I b) I> II III OH c) II>I> IlI d) III I> II но, но—н 12. How many stereocenters are...
Rotating around the selected bond select the gauche conformation. Br OH Br Br Br HBr OH Br கதம் -OH H FH H H HOT H OH OH C A D E OD DA OE
Which of the following molecules is polar? с. CI Н H-C-ci ci? d. C1-C1
A. It may exist entirely in the gauche conformation. B. It may exist as a mixture of anti and gauche conformations. C. It may exist entirely in the anti conformation. The measured dipole moment of ClCH2CH2Cl is 1.12 D. Which one of the following statements about 1,2−dichloroethane is false?
Which molecule has the shortest C-C bond? Select one: н Н а. C-C Н н Н н ob. н-с-с-Н н Н с. НЕСЕСЕН Not yet answered Marked out of 3.00 P Flag question Which one of the following compounds would have a specific rotation [a]p = 0 ? Br CH3 H -Br Н. -Br CH3 Br H CH3 -H Br CH3 H Br CH3 -Br -H CHE Br CH3 -Н -H CH,CHE a c d Select one: a. a b....
Name these organic compounds: compound name н С | | C1 —C—C— H . н CI CH Br — CH, —C— CH— Br . C1 —C— H
When Cl2 adds to pent-2-ene, which product(s) is(are) not observed? CI CHCl3 CI "H CI H ci ΤΗ H CI "CI H н H C C1 н II III IV a. I and II b. I and III c. I and IV d. II and III e. II and IV f. III and IV
8) Identify all identical compounds. А с D E H CICL CI HCl H CI уу уу w F H H HH Η Η H HH A) A and C B) B and D, A and B, A and D, B and C, C and D C) B and D D) B and D., A and C E) A and B, A and D, B and C, C and D
Which Newman projection represents the most stable conformation of (CH),CHCH(CH)2? CH3 CH3 СCH3 (B) (A) CH3 H CH3 "СHз CHз CH3 CH3 н CH3 (D) (C) H. tCH3 CH3 CH3 Н Н CH3 CH3