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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.
Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are
\[\begin{array}{cc} \ce{Cl^{{a}}}\phantom{.} \\/\phantom{...} \\ \ce{Ca}\phantom{......} \\ \backslash\phantom{..} \\\phantom{........} \ce{O-Cl^{{b}}}\phantom{.} \end{array}\]
Choose the correct option.
The coefficients p, q, r, s in the reaction \[\ce{{p}Cr2O7^{2Θ} + {q}Fe^{2⊕}->{r}Cr^{3⊕} + {s}Fe^{3⊕} + H2O}\] respectively are:
Choose the correct option.
Oxidation number of oxygen in superoxide is
Calculate the oxidation number of the underlined atom.
H3PO3
Calculate the oxidation number of the underlined atom.
Cr2O72−
Calculate the oxidation number of the underlined atom.
NaH2PO4
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
Justify the following reaction as a redox reaction.
\[\ce{2Na_{(s)} + S_{(s)} -> Na2S_{(s)}}\]
Find out the oxidizing and reducing agents.
Provide the stock notation for the following compound:
Tl2O
Provide the stock notation for the following compound:
FeO
Provide the stock notation for the following compound:
Fe2O3
Assign oxidation number atom in the following species.
Na2S2O3
Which of the following redox couple is a stronger oxidizing agent?
\[\ce{MnO^Θ_4}\](E0 = 1.51 V) and \[\ce{Cr2O^{2Θ}_7}\](E0 = 1.33 V)
Which of the following redox couple is a stronger reducing agent?
Li (E0 = - 3.05 V) and Mg (E0 = - 2.36 V)
The oxidation number of oxygen in peroxides is ____________.
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?
The sum of oxidation states of all atoms in \[\ce{SnO^{2-}_2}\] and CO2 are ____________ respectively.
The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion 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 ______.
What is the oxidation state of chlorine atom in perchloric acid?
Which of the following explanation is correct about the given below reaction?
\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
Among group 16 elements, which one does not show −2 oxidation state?
