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For many years after they were discovered, it was…

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Problem 16 Medium Difficulty

16. Two important industrial chemicals, ethene, $\mathrm{C}_{2} \mathrm{H}_{4},$ and propene, $\mathrm{C}_{3} \mathrm{H}_{6}$ , are produced by the steam (or thermal) cracking process:
$$2 \mathrm{C}_{3} \mathrm{H}_{8}(g) \longrightarrow \mathrm{C}_{2} \mathrm{H}_{4}(g)+\mathrm{C}_{3} \mathrm{H}_{6}(g)+\mathrm{CH}_{4}(g)+\mathrm{H}_{2}(g)$$
For each of the four carbon compounds, do the following:
(a) Draw a Lewis structure.
(b) Predict the geometry about the carbon atom.
(c) Determine the hybridization of each type of carbon atom.

Answer

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Chemistry 101

Chemistry

Chapter 8

Advanced Theories of Covalent Bonding

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Video Transcript

for this question, we can look at each molecule individually. Words for the number one, which is a three age eight seems a number off. Hydrogen is two times the number off carbon plus two. We know that all bonding is weaving. Carbon is single bond. So the structure off C three h eight should be as follows. So carver are bonded through single bones and the rest off the cover and bounding czar with hydrogen five, six someone. Since each carbon has four bonding issued beings attack Shahidul structure with S P three soundings. Okay, full chemical compound number two, which is C two h four scenes. The number off hydrogen is only twice as much as the number off carbon. We know that the bounding between carbon is a double bond and there are only three poundings toe to each carbon. So the carbon sure being in the truth tribunal plan their structure on issued be in SP two hybridization Okay for the third compound, which is C three h six, we also know that there's at least one double bound weaving the compound between the carbons do the carbons and the rest are the carbon hydrogen bonds Okay, So it was the left most carbon itch, which is bonded to to hide regions on one double bond with another carbon. So this one should be intriguing. A ll planner structure on has ESP. It'll groundings hybridization. Manzi's on this middle carbon. If he responded to one hydrogen, one carbon on dhe, then another double bond was another carbon. So it should also has the tribunal plan their structure on s Peter Bond ings on the fourth of force Carbon Over here it is all single bonded with three hydrogen is on one carbon. So it shouldn't have Trujillo structure on SP three hybridization. Hey, for the last compound which is see a ch four, it is very simple If he just one carbon atom founded through four hydrogen atoms. So clearer as it is, it is, um the carbon has a touch of a huge old structure under s fuc rebounding hybridization

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