Questions tagged [iron]

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Equilvalence point in redox Titration of Fe(II) and Fe(III) with Reinhardt-Zimmermann solution

In the lab at university, we need to conduct a simultaneous determination of iron(II) and iron (III) ions using potassium permanganate solution. In the first step, we just fill up our given sample ...
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1answer
56 views

Can someone explain this answer in detail? [closed]

The density of iron is $\pu{7.874 g/cm3}$ and its unit cell volume is $\pu{2.364E-23 cm3}$. These values indicate that there are: two Fe atoms per unit cell and the metal is body-centered cubic. I am ...
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0answers
28 views

How to prepare a solution of Ferrous Iron?

I need to prepare a solution of Ferrous Iron (Fe2+). This solution will be used to test a water filtration system by simulating the Ferrous Iron that is sometimes present in well water. The system is ...
10
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3answers
2k views

How can steel be so different from iron, even if amount of carbon is small?

Perhaps I am too naive, but I am having a hard time visualizing how even 'high-carbon' iron and steel alloys are maybe, at most, about four percent carbon by mass, which still means only one (smaller) ...
0
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1answer
41 views

What is the effect of H2O2 on SPIONs?

I have a system contains super paramagnetic iron oxide nanoparticles (SPIONs) either Fe3+ or Fe2+. I need to introduce hydrogen peroxide to the system but i am not sure about its effect to the SPIONs ...
7
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2answers
562 views

Can hydrogen peroxide reduce ferric ion to ferrous ion?

I have studied that hydrogen peroxide always oxidizes ferrous ion to ferric ion (source of study : NCERT Chemistry Part II, Textbook for Class XI), but a question came in IIT JEE 2015 which states: ...
3
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1answer
65 views

Cationic vacancies created when non-stoichiometric iron oxide is doped with silicon(IV) ions

Problem It is believed that non-stoichiometric compound $\ce{F_{0.93}O}$ forms by doping of $\ce{Fe^3+}$ ions in $\ce{FeO}$ crystal by replacement of $\ce{Fe^2+}$. Calculate the number of cationic ...
1
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1answer
32 views

Forcing a steel pipe to rust completely

I understand rust. Fe + H20 → OH- → Fe(OH)2 or 3 and/or FenOm I understand rust prevention and steels that are resistant to rusting. Trying to google this question gives thousands of answers on ...
1
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0answers
47 views

How to completely remove Iron II Acetate from a steel surface through a chemical reaction?

Is there any suggestion to completely remove iron II acetate from a zinc-alloy steel surface? It can't be something abrasive, or if it is, it must be completely soluble. Background: My bike chain, ...
0
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1answer
147 views

The rusting of steel may be promoted by brushing with HCl followed by brushing with hydrogen peroxide solution. What is the chemistry involved?

A welder showed me a way of promoting rust on steel by brushing on muriatic acid and then a hydrogen peroxide / water solution. What's going on, chemically speaking?
0
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1answer
45 views

When Iron reacts with any other species, how will we know that the reaction will be of Fe(II) or Fe(III) i.e. of ferrous or ferric? [closed]

Like when iron reacts with water there forms iron oxide and hydrogen but how'll we come to know which of three equation will be right equation for reaction? $$\ce{Fe + H2O → FeO + H2}$$ $$\ce{2Fe + ...
0
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1answer
121 views

Water solubility of different types of Iron III

For an experiment I require an aqueous solution of Iron(III). My school has the following compounds, which of them are water soluble? I believe that only Iron(III) oxide is insoluble, but I would like ...
1
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1answer
109 views

What happens when FeF3 is reacted with benzene? [closed]

My text book says that halobenzenes can be prepared by aromatic substitution on benzene ring by using Fe or FeX3 as Lewis acid but this method isn't useful for preparation of fluoro benzene because of ...
1
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1answer
60 views

How can I make a lot of microscopic rods of metal?

I want to make around 40-200 g of metal cylinders that would ideally have a length of around 1-100 μm in size (smaller preferred). The rods will be made of some ferromagnetic material such as Iron or ...
1
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2answers
65 views

Easiest/Fastest way to obtain a good quantity of fine Iron powder? [closed]

I am wanting to make a reasonable quantity (10-100g) of iron powder that I can use to visualise magnetic fields (by putting the powder in a thin layer between two transparent materials). The finer the ...
-1
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1answer
433 views

Are those magnetic iron filings in the dirt pure iron?

When I was a kid we used to drag magnets around in the dirt and collect "iron filings". Are they pure iron, or something else?
-1
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1answer
360 views

Iron and copper oxide for thermite

I recently successfully made thermite from iron oxide powder and aluminum powder. However, I have a couple of questions about copper and iron oxides. The kind of iron oxide that is made by ...
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2answers
69 views

Oven safe dessiccant?

Im sure there is a chemist/lab tech that knows a simple solution to my problem, as I cant seem to find a solution. When trying to strip and re-season cast iron cookware, I occasionally have problems ...
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1answer
470 views

What is the difference between pig iron and wrought iron? [closed]

I mean, I know the difference in the properties.. but how are they produced? what is the difference in the method of production?
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1answer
331 views

Rusting of iron is quicker in saline water than in ordinary water [duplicate]

I feel so because, saline water has more more electrons and because of that there will be oxidation will take place faster and hence the overall process will speed up. Is this explanation good enough ...
1
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2answers
47 views

How can I have iron powder without a fast reaction with oxygen? [closed]

I've seen this video in which fine iron powder reacts immediately with oxygen when exposed to the air, turning into rust. Now, will this reaction always occur with iron powder? Or is there something ...
2
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3answers
223 views

Trying to understand the chemistry in an iron carbon battery

I am trying to understand the chemistry that occurs in an iron carbon battery during charging. The negative electrode is iron, the positive electrode is carbon. The electrolyte is iron(II) chloride. ...
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2answers
62 views

Feasibility question: Is the following presented chemistry leading to very dilute H2O2 with fast created radicals, effective H2O2? [closed]

I start by noting that, theoretically starting by the action of oxygen on acidic FeCl2, one can form in situ hydrogen peroxide and other reactive oxygen species, albeit in very small amounts. The ...
5
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1answer
1k views

Does Fe(CO)6 really exist?

I was given a question to draw the structure of $\ce{Fe(CO)6}$ and tell the hybridization. Hybridization came out to be $\ce{sp^3d^2}$ and structure as Octahedral. But does $\ce{Fe(CO)6}$ really exist?...