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For many years after they were discovered, it was believed that the noble gases could not form compounds. Now we know that belief to be incorrect. A mixture of xenon and fluorine gases, confined in a quartz bulb and placed on a windowsill, is found to slowly produce a white solid. Analysis of the compound indicates that it contains 77.55% Xe and 22.45% F by mass.(a) What is the formula of the compound?(b) Write a Lewis structure for the compound.(c) Predict the shape of the molecules of the compound.(d) What hybridization is consistent with the shape you predicted?
a) $\mathrm{XeF}_{2}$b) see solutionc) Therefore, shape of $\mathrm{XeF}_{2}$ is linear.d) $s p^{3} d$
02:28
Sam L.
Chemistry 101
Chapter 8
Advanced Theories of Covalent Bonding
Chemical Bonding
University of Maryland - University College
University of Kentucky
Brown University
Lectures
04:16
In chemistry, a chemical b…
09:12
In chemistry, the octet ru…
02:24
For many years, it was bel…
04:32
01:08
The noble gases were among…
00:42
Challenge An element exist…
02:29
A sample of a compound of …
04:55
Xenon and fluorine will re…
01:07
03:59
Xenon hexafluoride was one…
There is evidence that rad…
00:30
Noble gases used to be cal…
04:25
A new compound containing …
01:20
Although they were formerl…
02:03
A compound containing xeno…
13:28
Fluorine is so reactive th…
01:25
While Mendeleev predicted …
03:54
Analysis of a newly discov…
02:25
A xenon fluoride can be pr…
01:34
A mixture of xenon and flu…
01:48
The lightest noble gases, …
01:15
this question. We're told that the formula of a compound is 77 point 55% Zen on 22 0.45% Florentine for a What's the formula? The compound? Let's assume 100 g of the compound. Yeah, it would mean that we have 77.55 grams of Zen on and 22 45 g of flooring. Let's convert each of these two moles Mueller masses. Yunnan is 131 0.3 g per mole. This would be equal to 0.591 malls, molar mass of flooring, 19 g per mole. This would be equal to 1.18 Small Goodbye to buy 591 We find that the formula is X e f two for B. It's rather Lewis structure of the compound. Look at xenon here. Zenon has eight million electrons. Yeah, you know Florian, which has seven. There are electrons, two florins. So in total, we have 22 Beyonce electrons and are Lewis structure Mhm. Yeah, there is there Lewis structure for 22 electrons. If we write the or predict the shape here, I would predict the shape to be linear as we would have the UNP paired electrons mhm in non bonding Orbital's Yeah, yeah, that would yield five domains around the central metal atoms to bonding and right three non bonding. So that would make it linear straight across as the three non bonding are triggered by phenomenal shape and for D hybridization in this molecule works out to SP three d.
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