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en.wikipedia.org/wiki/Hydroxide

Hydroxide is a diatomic anion with chemical formula OH. It consists of an oxygen and ..... Hydroxides of metals in the +1 oxidation state are also poorly defined or unstable. For example, silver hydroxide Ag(OH) decomposes spontaneously to ...

en.wikipedia.org/wiki/Oxidation_state

The oxidation state, often called the oxidation number, is an indicator of the degree of oxidation .... Oxygen is assumed to have its usual oxidation state of −2, and so the sum of the oxidation states of all the atoms can be expressed as x + ... So, each of the three hydroxide groups has an overall oxidation state of −2 + 1 = −1.

www.quora.com/What-is-the-oxidation-state-of-OH

Assuming you are asking about OH-. Hydroxide OH- has a charge of -1. The Oxygen has an oxidation number -2 and hydrogen has the ...

chem.libretexts.org/Core/Analytical_Chemistry/Electrochemistry/Redox_Chemistry/Oxidation_States_(Oxidation_Numbers)

Jan 26, 2014 ... Because each hydrogen has an oxidation state of +1, each oxygen must .... The reaction between chlorine and cold dilute sodium hydroxide ...

chemed.chem.purdue.edu/genchem/topicreview/bp/ch2/oxnumb.html

By definition, the oxidation number of an atom is the charge that atom would have if the compound was ... Oxygen usually has an oxidation number of -2.

www.science.uwaterloo.ca/~cchieh/cact/c123/oxidstat.html

Oxidation state is a number assigned to an element in a compound according to some rules. ... The oxidation state of oxygen in its compounds is -2, except for peroxides like .... Chromium hydroxide, Cr(OH)3, is a greenish gelatinous solid.

www.periodni.com/oxidation_numbers_calculator.php

To calculate oxidation numbers of elements in the chemical compound, enter ... Oxygen almost always has an oxidation number of -2, except in H2O2 (when it is  ...

www.chemguide.co.uk/inorganic/redox/oxidnstates.html

Explains what oxidation states (oxidation numbers) are, and how to calculate them ... so the sum of the oxidation states of the hydrogen and oxygen must be zero. .... The reaction between chlorine and cold dilute sodium hydroxide solution is:.

www.answers.com/Q/What_are_the_oxidation_numbers_of_hydroxide

Because this is not a peroxide or hydride, we can by rule state that hydrogen is in the +1 oxidation state and that oxygen is in the -2 state.