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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 ...

www.quora.com/What-is-the-oxidation-number-of-oxygen-in-hydrogen-peroxide-H2O2

The oxidation number of oxygen in compounds is usually -2, but it is -1 in peroxides. The sum of the oxidation numbers of all the atoms in a neutral compound is 0.

library.vcc.ca/learningcentre/pdf/vcclc/Chem0871-OxidationNumbers.pdf

[1] Oxidation numbers are assigned to atoms, not elements. ... F. The oxidation number for oxygen is −2 unless it is in oxygen gas, ozone ... 1) hydroxide: OH−.

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

Assign an oxidation state (or oxidation number) to an atom in a molecule or ion. ... The oxidation state of oxygen in its compounds is -2, except for peroxides like H2O2, and .... Chromium hydroxide, Cr(OH)3, is a greenish gelatinous solid.

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 ...

www.periodni.com/oxidation_numbers_calculator.php

The sum of the oxidation numbers of all the atoms in a species must be equal ... 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 ... Remember that fluorine is the most electronegative element with oxygen second. .... The reaction between chlorine and cold dilute sodium hydroxide solution is:.

forums.studentdoctor.net/threads/question-on-oxidation-number.525057

May 21, 2008 ... Each oxygen supplies an oxidation number of -2. ... OH has a -1 charge and there are four of them, so you have a next of -4 from hydroxide.