Structure (a) is the trans isomer with molecular formula C4H8. In this structure CH3 groups are trans(opposite) to each other around the double bond.
Structure (b) is the cis isomer of C4H8. Cis are those in which group are in same side around double bond.
So, A option is correct.
QUESTIONS Which of the following is a trans-isomer with molecular formula C4Hg? A. (a) B. (b)...
Which of the following is the most stable carbocation with a molecular formula of C4Hg? a) b) c) d) Oaa) bb cc) d.d)
Which molecule is a trans isomer? The first molecule is letter A, it was cut off. CH3 O B. H3C OC. CH O D. H3C OH OH OH OH
Decide which one of the following cycloalkanes shows cis-trans isomerism and draw a structural formula for its cis isomer. 1,2-dimethylcyclohexane ethylcyclopropane Decide which one of the following cycloalkanes shows cis-trans isomerism and draw a structural formula for its trans isomer. 1,1-dimethylcyclohexane 1,4-dimethylcyclohexane
nstitutional Isomer #5 Molecular Formula: CsH200, Calculate Units of Unsaturation Structural Hints for isomer A: 1) 5-membered ring 2) Must have a Weak acid group 3) Only 3 methylene fragments that are connected to one methine fragment in this molecule Structural Hints for isomer B: 1) One Triple bond 2) 3 equivalent methyl groups Draw Isomer A Draw Isomer B Constitutional Isomer Molecular Formula: C8H240, Calculate Units of Unsaturation Structural Hints: 1) Only 4 methyl groups 2) Only 1 methylene...
trans- and cis- [Co(en)2Cl2]^+ was synthesized in lab. questions are: which one is the kinetic isomer? which one is the thermodymanic isomer? what about their structure might make them that way?
Draw the structure for the isomer of the molecular formula C3H6O next their spectra, label their unique protons, then assign each signal to the proton or group of protons they represent. 3) Draw the structure for the isomer of the molecular formula C3H6O next their spectra, label their unique protons, then assign each signal to the proton or group of protons they represent. a. 10 8 7 2 1 0 b. 10 8 6 1 t C. 10 0
2. Which of the following compounds exhibit cis/trans Isomer CIS and transforms of the compounds that do exhibit Isomers s exhibit cis/trans isomerism? Explain why. Draw the a) Methylcyclobutane b) 3-ethyl-3-hexene c) 1-ethyl-3-methylcyclopentane d) 2,3-dimethylpentane e) 2,3-dichloro-2-hexene f) 2-butyne
4. Consider the following compound with the molecular formula C4H:02: a. Draw a constitutional isomer that you expect will be approximately one trillion (1012) times more acidic than the compound above. b. Draw a constitutional isomer that you expect will be less acidic than the compound above. c. Draw a constitutional isomer that you expect will have approximately the same pKa as the compound above.
In each of the cases below, which isomer is more stable? a) 1,4-dimethylcyclohexane (cis/trans?): b) 1-bromo-2-methylcyclohexane : (cis/trans?) c) 1,3-diethylcyclohexane (cis/trans?)
Help with all parts. Thanks! Choose any molecular formula you would like (such as C_6H_8O_1) and use this ONE selected molecular formula to construct the following molecules: A) A compound with two adjacent sp^2 hybridized carbons. B) A different compound with two adjacent sp^2 hybridized carbons that has stereochemistry. C) A stereoisomer of the compound you drew for Q1B. D) A constitutional Isomer for the compound you drew in Q1B. E) Assign the stereochemistry of all of your stereoisomers (E...