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∙ 13y ago
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What is the oxidation for KOH?
K is +1 O is -2 H is +1
Does sodium hydroxide rust the iron?
No. as rust is caused by the oxidation process of: O2+2H2O+4e = 4OH in sodium hydroxide the hydroxide is already present making it harder to form and therefore making rust harder to form. Sodium hydroxide is a rust inhibitor.
Mechanism of oxidation of fluorene to fluorenone?
I'm not positive about the correct mechanism, but I can propose one that seems plausible. Oxygen can exist as a singlet or triplet species. The triplet species (O-O with 2 lone pairs and a radical on each O) is the ground state species, so unless O2 is excited, it will most likely react in this manner. Using that assumption, O2 can abstract a proton radical from flourene to form a fluorene radical (with the radical at the benzylic position). This is the initiation of a radical chain process. Next, the peroxy radical can attach to the fluorene radical (thus terminating the chain). Alternatively, another O2 molecule can attach to the fluorene radical. This peroxy fluroene radical can abstract a proton from a fluorene molecule, propogating a fluorene radical. In either case, the resulting species is a peroxy fluorene molecule. Now, you can draw a mechanism where a hydroxide anion (the reaction is run in base) pulls off the remaining benzylic proton, pushing electrons into a carbon to oxygen pi bond, and breaking the oxygen-oxygen single bond to release hydroxide. As I said, I have no evidence for this mechanism, just using my chemical knowledge and experience.
Why does a calcium ion have a charge of plus 2?
because for it to become an ion it needs to lose 2 electron which means that it would have 2 more proton than electron and proton is positively charged so it becomes 2+
Is copper soluble in sodium hydroxide?
Metallic copper does not react with sodium hydroxide. But if sodium hydroxide is added into a solution of copper ions, it would form Copper(II) Hydroxide. It is a precipitate which is insoluble in water.
What molecule loses a proton to form the nitrate ion?
The molecule of nitric acid lose a hydrogen atom, not only a proton.
Is ammonia is soluble in water or a polar molecule?
Ammonia form in water ammonium hydroxide - NH4OH.
What molecule is produced when two electrons and one proton combine in photosynthesis?
The reduced form of NAD+ is NADH.
Name two ions that are the products of the dissociation of water?
Another way to describe the dissociation of water is as follows where two water molecules form a hydronium ion (essentially a water molecule with a proton attached) and a hydroxide ion
What are acid and base?
Acids, bases and salts are chemical compounds. Examples are: Acids: sulfuric acid, nitric acid, stearic acid, phosphoric acid, hydrofluoric acid etc. Bases: sodium hydroxide, magnesium hydroxide, calcium hydroxide, lithium hydroxide etc. Salts: sodium chloride, gallium arsenide, potassium bromide, uranyl nitrate etc.
When two water molecules react what do they create?
Two water molecules can react to from hydrogen bonds. If one water molecule acts as an acid and donates a proton to another water molecule then hydronium ions an hydroxyl ions can be formed as well.
When water molecules break apart which 2 ions form?
H2O -> H + + OH - A positively charged proton, H +, and a negatively charged hydroxide, OH -.
Why do hydronium ions form in aqueous acid solutions?
Hydronium ion (H3O+) form in aqueous solution because the water molecule, H2O can accept a proton which is donated from an acid. Thus, the proton (H+) reacts with H2O to produce H3O+, the hydronium ion.
What molecule forms when ATP loses a phosphate?
ATP (Adenosine triphosphate) looses a phosphate to form ADP (Adenosine diphosphate), and release energy.
What happens to protons when acids and bases are mixed?
An acid is a proton donor and a base is a proton accepter. Here's a very simple reaction: HCl + NaOH --> NaCl + H2O. Thus, the acid, which is HCl gives its proton to the hydroxide group in NaOH, and water is made as a result. The chlorine and sodium also combine to form NaCl.
What is a substance which acts as both an acid and a base?
An example would be water which can gain a proton to form the hydroxonium ion (acting as a base) or donate a proton forming the hydroxide ion (acting as an acid). An acid is a proton donor; a base is a proton acceptor.
How does a neutralization reaction create water?
NaOH + HCl -> NaCl + H2O Like that. A salt is formed from the metal and the chlorine, in this case, and the proton, H+, joins with the hydroxide, OH-, to form water.
