Linked Questions

1 vote
1 answer

What is the oxidation state of aluminium in NaAlO₂? [duplicate]

I guess that sodium loses an electron so has an oxidation state of +1 and that oxygen has an oxidation state of −2. But what oxidation state does the aluminium atom have in sodium aluminate ($\ce{...
user avatar
25 votes
4 answers

What should be the oxidation state of oxygen in HOF (hypofluorous acid)?

What should be the oxidation state of oxygen in $\ce{HOF}$ (hypofluorous acid)? Sources on the internet have confused me. Most state its oxidation state to be 0, while the others state that it is -2 (...
Saharsh's user avatar
  • 812
21 votes
3 answers

Oxidation state of the sulfur atoms in the thiosulfate Ion

What are the oxidation states of the two inequivalent sulfur atoms of the $\ce{S2O3^{2-}}$ molecule? For all I know is that Lewis Structure does matter in most of the cases.
Del Pate's user avatar
  • 2,175
30 votes
1 answer

An introduction to "oxidation state"/"oxidation number"

I just can't get my head around oxidation states. They're really confusing! Why do I need to assign a number to some element? What are oxidation states? How and why should we assign oxidation states? ...
M.A.R.'s user avatar
  • 10.6k
12 votes
3 answers

Oxidation state of fluorine in HOF

What should be the oxidation state of $\ce{F}$ in $\ce{HOF}$. As fluorine is the most electronegative element in the periodic table, it should be $-1$. But when I googled it, I found that many ...
Amritansh Singhal's user avatar
16 votes
2 answers

Does fluorine in FNO3 have +1 oxidation number?

According to my textbook and also Wikipedia, fluorine nitrate is a compound which can be created (though it is unstable). Also my textbook says that fluorine has a $+1$ oxidation state. But how is $+1$...
Learm's user avatar
  • 161
17 votes
1 answer

What is the oxidation state of Mn in HMn(CO)5?

What is the oxidation state of $\ce{Mn}$ in $\ce{HMn(CO)5}$? If $\ce{H}$ has an oxidation state of $+1$, then $\ce{Mn}$ should have oxidation state of $-1$, which I'm not sure is possible. On the ...
Cyclopropane's user avatar
  • 2,069
8 votes
2 answers

Why is gaining hydrogen called reduction when gaining electrons is called reduction? Aren't they opposites

Reduction is gain of hydrogen (Source) Reduction is gain of electrons (Source) Is it because a hydrogen has an electron so gaining hydrogen is technically gaining electrons? But that doesn't seem ...
K-Feldspar's user avatar
  • 2,833
0 votes
3 answers

Can redox reactions involve only non metals?

When non metal react they form molecule, and whether the bond is polar or not, the elements in the molecular compound will not have charges what so ever, because they are not ionic. But can non metals ...
most venerable sir's user avatar
4 votes
1 answer

Finding the Oxidation number

I have got the homework to balance the following redox reaction. $\ce{Cr(OH)3- + HO2- -> Cr2O7^{-2} + OH- }$(Basic medium) To balance this reaction first thing we need to do is to find the ...
Freddy's user avatar
  • 5,077
-1 votes
2 answers

Why is it a reduction from a ketone to an alcohol? [closed]

Why is it a reduction from a ketone to an alcohol (using $\ce{LiAlH4}$)? I'm not able to figure out the oxidation state of carbon.
Sascha G's user avatar
0 votes
0 answers

Why would phosphorus pentoxide be called 'phosphorus(v) oxide'?

There's a question in the chemistry textbook I use with my GCSE class which asks pupils to identify which of various compounds feature ionic bonding. One of the compounds is phosphorus(V) oxide, which ...
Oolong's user avatar
  • 388
0 votes
0 answers

Oxidation number of Oxygen in peroxides: -2 or -1?

My textbook says that the oxidation number of Oxygen in peroxides is -2, but when I searched up the internet, I found it to be -1. It could probably be a misprint in my book, but I am still not sure. ...
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