Which of the following is correctly related? a.Limonene: unsaturated aliphatic b.Limonene: aromatic c. Cyclopentane: aromatic d. 1-Butene: saturated aliphatic
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Which of the following is correctly related?
a.Limonene: unsaturated aliphatic
b.Limonene:
c. Cyclopentane: aromatic
d. 1-Butene: saturated aliphatic
2. EXCEPT for one 2,3-dimethylheptane and 2,3-dimethylhepta-1,5-diene, the following tests or reagents could distinguish them.
a. Under gloomy conditions, Br2 in water
b. Alkylation Friedel-Crafts Test
c. Combustion
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- which of the following general statements is true about the addition of HBr to conjugated dienes (A) At low temperature, the 1,2-adduct predominates (B) At low temperature, the 1,4-adduct predominates (C) At high temperature, the 1,2-adduct predominates (D) Temperature does not affect the outcome of the reactionThe central carbon atom of an allene is a member of two double bonds, and ithas an interesting orbital arrangement that holds the two ends of the molecule at rightangles to each other.(a) Draw an orbital diagram of allene, showing why the two ends are perpendicular.(b) Draw the two enantiomers of penta-2,3-diene. A model may be helpfulThe central carbon atom of an allene is a member of two double bonds, and ithas an interesting orbital arrangement that holds the two ends of the molecule at rightangles to each other. Draw the two enantiomers of penta-2,3-diene. A model may be helpful.
- Authentic skunk spray has become valuable for use in scent-masking products. Show how you would synthesize the two major components of skunk spray (3-methylbutane-1-thiol and but-2-ene-1-thiol) from any of the readily available butenes or from buta-1,3-diene.Explain the following terms, make sure to include chemical structures as examples. a.) Syn-addition b.)Zaitsev product c.)Concerted(relating to hydroborations or SN2 reactions)I need help with this organic chemistry reaction. I can use clemmensen reaction I think. If not the other options I can use Raney-nickel reduction or catalytic hydrogenation or coupling reactions or heck or Suzuki reactions can i also have an explanation. I am feeling a bit lost
- Kepone, aldrin, and chlordane are synthesized from hexachlorocyclopentadiene and other five-membered-ring compounds. Show how these three pesticides are composed of two five-membered rings.In the reaction below, 3-Buten-2-one reacts with 2,3-Dimethyl-1,3-butadieneand 1,3-Butadieneat 140°C and 30°C, respectively. Explain why these two dienes react at different temperatures.1,3-pentadiene reacts with HBr. When the double bond at the 3-position reacts, the hydrogen attaches to the 4-carbon, thus forming an allylic carbocation with delocalized electrons. This carbocation has another resonance structure. Because there are equal amounts of diene and hydrogen bromide, in which molecule only one of the double bonds reacts. Which of the following correctly describes this new resonance structure? a) It has a double bond between carbons 3 and 4 b) It has a positive charge on carbon 2 c) It has a positive charge on carbon 4 d) It has a double bond between carbons 2 and 3