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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.
Oxidation number of carbon in H2CO3 is
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.
Cr2O72−
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.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Provide the stock notation for the following compound:
HAuCl4
Provide the stock notation for the following compound:
Tl2O
Assign oxidation number atom in the following species.
\[\ce{Cr(OH)^Θ_4}\]
Which of the following redox couple is a stronger oxidizing agent?
Cl2 (E0 = 1.36 V) and Br2 (E0 = 1.09 V)
Which of the following redox couple is a stronger reducing agent?
Li (E0 = - 3.05 V) and Mg (E0 = - 2.36 V)
Which of the following redox couple is a stronger reducing agent?
Zn (E0 = - 0.76 V) and Fe (E0 = - 0.44 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 |
What is the oxidation number of Mn in \[\ce{MnO^{2-}_4}\] ion?
Which of the following is CORRECT?
\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]
The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.
The oxidation state of phosphorous in Mg2P2O7 is ______.
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
The oxidation number of Cr in \[\ce{Cr(OH)^-_4}\] ion is ______.
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
What is the average oxidation number of sulphur in tetrathionate ion?
Among group 16 elements, which one does not show −2 oxidation state?
