Abhisar
  • Abhisar
Which of the following is strongest Lewis Base and How?
Chemistry
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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Abhisar
  • Abhisar
\(\sf O^{-2}, P^{-3}, N^{-3}, F^-\)
Abhisar
  • Abhisar
Woodward, Halp !!
Abhisar
  • Abhisar
|dw:1442890874678:dw|

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More answers

anonymous
  • anonymous
Well, a Lewis base means it is an electron donor. I would imagine that the more electronegative an element is, the weaker of a Lewis base it will be, since it is ok with holding the electrons. However this is quite a weird case since we are comparing some elements that are multiply ionized. I don't think most of these are actually found except F- because they're all so basic. For instance, You have basically doubly deprotonated water, \(O^{2-}\) haha that's ridiculous. So I think the most basic one will be the one with the highest charge that's also the least electronegative. That's my best guess
Abhisar
  • Abhisar
So it should be \(\sf P^{-3}\) ??
anonymous
  • anonymous
Yeah that's exactly what I'm saying :D
anonymous
  • anonymous
Although it might be Nitrogen, I am not sure since the ionic radius of Phosphor is larger it might actually stabilize the electrons more.
Abhisar
  • Abhisar
That's what i thought but the answer says \(\sf N^{-3}\) ;-;
anonymous
  • anonymous
Yeah that must be it then, haha. The charge density of nitrogen is just so much higher.
Abhisar
  • Abhisar
Yeah, cz it doesn't have a vacant d orbital. Right?
anonymous
  • anonymous
At that point, electronegativity is kind of... wimpy by comparison. I am only roughly guessing here so I'm sure there might be some other slightly better argument. I don't think Phosophor has d-orbitals, I don't think d-orbitals will show up until the next period of the periodic table.
anonymous
  • anonymous
I think that is wrong what I said about it, since I know I've thought about it having more than 4 bonds before, like in ylids for the Wittig reaction but... As far as inorganic sorta goes I couldn't tell you what is actually going on here.
Abhisar
  • Abhisar
All right I get it. Inorganic is full of uncertainties. I have two more similar questions. One is related to oxy acids. Strongest acid among the following: \(\sf H_3PO_3, H_3AsO_4, H_3SbO_4, HNO_3\) I know its nitric acid but how would you explain that...
anonymous
  • anonymous
I wouldn't say inorganic is full of uncertainties, I would say I have uncertainties though, I prefer more organic and physical chemistry so I'm a little bit weak in inorganic so I need more practice and study. For this trend, these are all essentially the same, so I think they're focusing on the idea that they are going down a column. But maybe not, since each of these have different numbers of oxygen on them, their oxidation states could be a thing? I'm not sure.
Abhisar
  • Abhisar
I am damn confused about this stuff xD I read that oxidation states are used to compare similar oxyacids like if you wanna compare HClO4 and HClO2 . . . .
Abhisar
  • Abhisar
Ummm..can I say that since nitrogen is more non metalic so its oxy acid will be more acidic?
anonymous
  • anonymous
I don't think that'll cut it, somehow though it's better at losing protons or gaining electrons. If I still had my inorganic book lying around I'd look it up in there and try to find out what kind of trends affect this but I am not sure.
Abhisar
  • Abhisar
Can you help me out with this later when you have your book. I need to figure out the trends affecting. I tried looking everywhere but was unable to find anything reliable to read.. :(
nincompoop
  • nincompoop
so what is the question now? I think you already received assistance
anonymous
  • anonymous
Yeah I won't ever have my book back, I gave it to a friend haha.
Abhisar
  • Abhisar
Yes, but I need to figure what basically decides the trend. For instance take this next question... Strongest acid among the following ClO3OH , ClO2(OH), SO(OH)2, SO2(OH)2
Abhisar
  • Abhisar
That's ok Woodward xD
nincompoop
  • nincompoop
oh okay
nincompoop
  • nincompoop
let's see what your answer is and how you would justify it.
nincompoop
  • nincompoop
what I am doing is identifying what you know and see if there's anything I can do to fill some gaps.
Abhisar
  • Abhisar
Ok, So according to me chlorine is more non metallic than sulfur so its oxy acids will be more acidic. Now among ClO3OH and ClO2(OH), the former has higher oxidation state on the central atom hence it will be more acidic.
nincompoop
  • nincompoop
what is the central atom in the \(\sf ClO_3OH \) and \(\sf ClO_2(OH) \)
Abhisar
  • Abhisar
cHLORINE
nincompoop
  • nincompoop
so it is the same central atom on both cases, how is it that one has a higher oxidation state?
Abhisar
  • Abhisar
Cz there are 4 oxygens and one H and 3 oxygen and one H on another......
nincompoop
  • nincompoop
oh I think @Zale101 and I went over this kind of topic
nincompoop
  • nincompoop
so let us define what is Lewis Acid
Abhisar
  • Abhisar
The one which can accept electrons...
nincompoop
  • nincompoop
electron pair acceptor
Abhisar
  • Abhisar
Yes.
nincompoop
  • nincompoop
let us see how the reaction would go in both cases
Abhisar
  • Abhisar
ok
nincompoop
  • nincompoop
show me laughing out loud
nincompoop
  • nincompoop
that is what I meant
nincompoop
  • nincompoop
@zale101 show me what you got
nincompoop
  • nincompoop
nincompoop
  • nincompoop
sorry I was looking for something to share that summarizes the fun
Zale101
  • Zale101
Is that the question?
nincompoop
  • nincompoop
Li Be B C N O F Ne Na Mg Al Si P S Cl Ar
nincompoop
  • nincompoop
|dw:1442894721722:dw|
nincompoop
  • nincompoop
count the oxidation state for each
Zale101
  • Zale101
I'm thinking of polarization. The more oxygen it has the more polarized it is. The more polarized the more acidic. Oxygen is electronegative and attracts electrons.
nincompoop
  • nincompoop
what is the oxidation states of Cl in each case?
Zale101
  • Zale101
|dw:1442896304795:dw|
nincompoop
  • nincompoop
correct. Although I am note sure if higher oxidation denotes higher polarization. There may be some correlation.
nincompoop
  • nincompoop
what do you think @empty ?

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