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Is hydrogen molecules to hydrogen ions an example of reduction?
Wiki User
∙ 12y ago
No. It is oxidation.
Wiki User
∙ 12y ago
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Is electrolysis of water chemical change or physical change?
It is a chemical change because you are breaking the water into its elements, hydrogen and oxygen, and it is no longer water. I NEED THE NUMBER'S ^ Here They are Oxidation of ions or neutral molecules occurs at the anode, and the reduction of ions or neutral molecules occurs at the cathode. For example, it is possible to oxidize ferrous ions to ferric ions at the anode:Fe2+ aq → Fe3+ aq + e- It is also possible to reduce ferricyanide ions to ferrocyanide ions at the cathode:Fe(CN)3- 6 + e- → Fe(CN)4- 6
Is electrolysis of water to form hydrogen and oxygen a physical or chemical change?
It is a chemical change because you are breaking the water into its elements, hydrogen and oxygen, and it is no longer water. I NEED THE NUMBER'S ^ Here They are Oxidation of ions or neutral molecules occurs at the anode, and the reduction of ions or neutral molecules occurs at the cathode. For example, it is possible to oxidize ferrous ions to ferric ions at the anode:Fe2+ aq → Fe3+ aq + e- It is also possible to reduce ferricyanide ions to ferrocyanide ions at the cathode:Fe(CN)3- 6 + e- → Fe(CN)4- 6
Like atoms can molecules can become ions true or false?
Some molecules can become ions, especially at very high temperatures or at other high-energy conditions. For example, a hydrogen molecule can become a positive ion by losing one of its electrons.
Hydrogen ions can attach to water and form?
Of course it's water (H2O) or hydrogen peroxide (H2O2).
Is hydrochloic acid a molecule?
Pure hydrogen chloride is molecular. But Hydrochloric acid is hydrogen chloride dissolved in molecules. In this state it exists as ions rather than molecules.
What two molecules are formed by the Hydrogen ions?
one of the hydrogen molecules are water
What is the difference between activation polarization and concentration polarization?
Activation polarization refers to a condition when the reaction rate (of oxidation or reduction) is controlled by the slowest "step" in a series of reaction steps. For example, in hydrogen reduction reaction, the first step (1) may be when hydrogen ions absorbed from solution onto the anode surface, (2) then electron transfer occurs from anode to the hydrogen ions to form hydrogen, (3) then the hydrogen elements form hydrogen gas molecules, (4) which then form hydrogen gas bubbles. The slowest of these 4 steps, dictates how fast the overall reduction reaction happens. Concentration polarization refers to a condition of the limits of diffusion. Basically, again referring to the hydrogen reduction reaction, the concentration of H+ ions around the cathode affects the reaction rate. It could be that the concentration is too high (there is plently of H+ ions around, or the concentration is too low (not enough H+ ions around or the reduction reaction is 'eating them up' too quickly).
Why are hydrogen ions attratected to water molecules?
the hydrogen ions are attracted to the O in the molecule as it is more electronegative
Is electrolysis of water chemical change or physical change?
It is a chemical change because you are breaking the water into its elements, hydrogen and oxygen, and it is no longer water. I NEED THE NUMBER'S ^ Here They are Oxidation of ions or neutral molecules occurs at the anode, and the reduction of ions or neutral molecules occurs at the cathode. For example, it is possible to oxidize ferrous ions to ferric ions at the anode:Fe2+ aq → Fe3+ aq + e- It is also possible to reduce ferricyanide ions to ferrocyanide ions at the cathode:Fe(CN)3- 6 + e- → Fe(CN)4- 6
Is hydrogen a ion or a molecule?
Hydrogen exists on Earth mostly as part of molecules. Those molecules can be electrically neutral, or they can be ions.
Is electrolysis of water to form hydrogen and oxygen a physical or chemical change?
It is a chemical change because you are breaking the water into its elements, hydrogen and oxygen, and it is no longer water. I NEED THE NUMBER'S ^ Here They are Oxidation of ions or neutral molecules occurs at the anode, and the reduction of ions or neutral molecules occurs at the cathode. For example, it is possible to oxidize ferrous ions to ferric ions at the anode:Fe2+ aq → Fe3+ aq + e- It is also possible to reduce ferricyanide ions to ferrocyanide ions at the cathode:Fe(CN)3- 6 + e- → Fe(CN)4- 6
Can a positively charge hydrogen ends of water molecules attract chloride ions?
chloride ions have a negative charge... hydrogen ions have a positive charge... positive and negative means attraction
Like atoms can molecules can become ions true or false?
Some molecules can become ions, especially at very high temperatures or at other high-energy conditions. For example, a hydrogen molecule can become a positive ion by losing one of its electrons.
Do acids or bases have stronger concentrations of H ions?
Acids- they donate hydrogen ions to bases, which then become molecules.
What is the initial cause of the dissociation of water molecules into hydrogen and hydroxide ions?
hydrolysis
Which equation best represents the dissociation of the water molecules into hydrogen ions and hydroxide ions?
The equation is: H2O------>H+ + OH-
What positive ions is produced in excess when acids are dissolved in water?
Hydronium(H3O+) ions, which are formed when Hydrogen(H+) ions combine with water molecules.
