Are There Any Ions with a +4 Charge?

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Discussion Overview

The discussion revolves around the existence of ions with a +4 charge, particularly focusing on metal cations. Participants explore various examples, their solubility in water, and the relationship between oxidation states and the periodic table.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the existence of +4 charged ions, mentioning known ions with lower charges as a reference.
  • Another participant suggests that several elements can exhibit a +4 charge, hinting that the periodic table can provide clues.
  • A participant lists lead (Pb), tin (Sn), and titanium (Ti) as potential candidates for +4 ions, questioning the role of the periodic table in identifying them.
  • There is a suggestion that titanium's electron configuration allows it to lose four electrons, making a +4 state possible.
  • A participant expresses confusion regarding tin, noting that while tin-tetra chloride involves +4 charged chlorine atoms, they are specifically looking for metal cations with a +4 charge.
  • Another participant proposes tin(IV) chloride as a potential example, while also speculating that it may not contain Sn4+ cations in solution.
  • Ce4+ is mentioned as another possible +4 ion.

Areas of Agreement / Disagreement

Participants do not reach a consensus on specific examples of +4 ions, and there is some confusion regarding the solubility and presence of these ions in solution.

Contextual Notes

Some participants express uncertainty about the solubility of certain +4 ions and the conditions under which they may exist in solution. There is also a mention of the complexity of determining oxidation states based on the periodic table.

Who May Find This Useful

This discussion may be useful for students studying chemistry, particularly those interested in oxidation states and the properties of metal ions.

AdamCFC
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My coursework is ruined, but I am not asking for help with my coursework.

Does anyone know if there is a ion with a charge of +4. I might not be making sense. I know about Copper Chloride (CuCl+2) and Silver Nitrate (AgNO3+1) and Iron III Chloride (FeCl+3). Does anyone know of a plus 4?

I think its to do with oxidisation states of metals?

Much appreciated, Adam
 
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Several that I can think off. Just looking at periodic table you should be able to guess at least some of them.
 
i have noted a few down, e.g Pb, NH, Ti, they need to be solouble in water. Is there a way of telling form the periodic table what elements can be 4+? is that to do with groups or rows? thankyou

edit : ignore NH, its not metallic
 
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Pb should be obvious - 4th group (look harder in the same group :wink:). When it comes to Ti it is a little bit more complicated, but when you look at its configuration - s2d2 - it is not that surprising that it can lost four electrons.
 
sorry, I am starting to get confused here. I've had a crap day learning my coursework is all wrong :L Isnt Tin Sn? but tin-tetra chloride has +4 charged chlorine atoms dosent it? I am looking for a +4 solution where the cations are a metal. e.g copper or silver. I've drawn a blank so far looking.

I looked at lead but apparently it is near impossible to disolve in water.

Do you know if there is any i can use? I am getting stuck
 
Tin(IV) chloride is a good idea, even if the solution probably doesn't contain Sn4+ cations - my guess is that in neutral or alkaline solution it will be present as some oxoanion, and in low pH it will be complexed by whatever anions will be present.

Check Ce4+.
 
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