5. Indicate whether the following compounds are cis-, trans, E or Z isomers and write their...
For each molecule, indicate whether cis-trans isomers exist. If they do, draw the two isomers and label them as cis and trans. a. CH3 - CH2 -CH=CH, b. CH3-CH2-CH=CH c. 2-Pentene d. 1,2-Dichloroethene
3.6: Which of the following compounds can exist as cis–trans isomers? Draw each cis–trans pair. (a) CH3CH=CH2 (b) (CH3)2C=CHCH3 (c) ClCH=CHCl (d) CH3CH2CH=CHCH3 (e) CH3CH2CH=C(Br)CH3 (f) 3-Methylhept-3-ene The answer is c, d, e ,f but I'm not sure how it works
25 For the following pairs of compounds, indicate if they are cis-trans isomers or the same compound. If they are cis-trans isomers, indicate which is the cis isomer and which is the trans isomer and explain why. a. and b. and and
1. Write IUPAC name of the following compounds? Include their stereochemistry (E, Z or cis-trans) in their names.
Name or draw the following molecules (use cis/trans naming system) 1. Name or draw the following molecules (use cis/trans naming system): CI CI CH3 CH2CH3 a. b. c. 4-ethyl-6-(1,2-dimethylpropyl)decane 2. Draw all of the resonance structures for the following compounds. CH2
Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers, different conformations of the same compound, or the same conformation of a compound viewed from a different perspective. Note that cis, trans isomers are an example of stereoisomers. H2CH3 CH2CH3 CH2CH3 CH2CH3 constitutional isomers v NH2 stereoisomers CI CI CH3 CH3 CH3 CH3 H3C H3C CH OH OH HO OH HO H2N H2N
Correctly name these compounds as cis (Z) or trans (E) isomers, using the CIP rules:
CI 5. Can either of these compounds exist as a pair of cis-trans isomers? CI 6. Name or draw: me to (Z)-2,3-Dimethyl-1,3- hexdiene
questions 29 & 30 28 Я B Cis-trans isomers are diastereomers enantiomers stereoisomers constitutional isomers More than one of these choices 29 Pairs of enantiomers are CH3 H. CC CH2CH2CH3 CHE CH CH.CH2CH3 HCC CH2CH2CH3 CH2CH.CH HACCI CHCI HH CH2CH.CH IV I, I and III, IV III, IV IV, V None of the structures. 30 (R)-2-Chlorobutane is represented by CH3 CH3 CH2CH3 CHCI Нccici--cн, Насісін, сісі HH CH.CH, CH.CH CH.CH CH.CH BEKIODIC IVBTE OLIHE ETENEK А | DIV E v
ine whether the following pairs of compounds are identical compounds, enantiomers (mirror image isomers). structural isomers or not related I) H-C-e-c-H and H 2) H-c-ci and CI-C-H a-c-u OH 3) H-C-C-C-C-H and H- and 4) 2. Identify whether the compound is trans or cis CH CH 3. Draw the condensed structure for the following c= Part IL Multiple choice