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प्रश्न
What is oxidation?
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उत्तर
Oxidation is a process that involves the loss of one or more electrons from a substance.
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संबंधित प्रश्न
Choose the correct option.
A compound contains atoms of three elements A, B, and C. If the oxidation state of A is +2, B is +5 and that of C is -2, the compound is possibly represented by
Choose the correct option.
Which is the correct stock notation for manganese dioxide?
Choose the correct option.
Which of the following halogens does always show oxidation state -1?
Calculate the oxidation number of the underlined atom.
H2SO4
Calculate the oxidation number of the underlined atom.
H3PO3
Calculate the oxidation number of the underlined atom.
K2C2O4
Calculate the oxidation number of the underlined atom.
H2S4O6
Calculate the oxidation number of the underlined atom.
NaH2PO4
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Provide the stock notation for the following compound:
HAuCl4
Assign oxidation number atom in the following species.
H3BO3
Which of the following redox couple is a stronger oxidizing agent?
Cl2 (E0 = 1.36 V) and Br2 (E0 = 1.09 V)
Complete the following table:
Assign oxidation number to the underlined species and write Stock notation of compound
| Compound | Oxidation number | Stock notation |
| AuCl3 | ||
| SnCl2 | ||
| \[\ce{\underline{{V}}_2O^{4-}_{7}}\] | ||
| \[\ce{\underline{{Pt}}Cl^2-_6}\] | ||
| H3AsO3 |
The following statements are CORRECT, EXCEPT:
What is the oxidation number of As in H3AsO3?
The oxidation number of sulphur in S8 molecule is ______.
In which of the following, oxidation number of oxygen is +2?
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Oxidation state of nitrogen in nitric oxide is ______.
Which of the following is INCORRECT?
What is the oxidation number of Carbon in K2C2O4?
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
Carbon is present in highest oxidation number in ______.
The oxidation number of Cr in \[\ce{Cr(OH)^-_4}\] ion is ______.
The oxidation number of phosphorous in Ba(H2PO2)2 is ______.
Which of the following explanation is correct about the given below reaction?
\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
