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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.
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 carbon in H2CO3 is
Choose the correct option.
Which is the correct stock notation for manganese dioxide?
In which chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.
Calculate the oxidation number of the underlined atom.
H2SO4
Calculate the oxidation number of the underlined atom.
HNO3
Calculate the oxidation number of the underlined atom.
Cr2O72−
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
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.
\[\ce{Cr(OH)^Θ_4}\]
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)
The oxidation number of oxygen in peroxides is ____________.
Which of the following is CORRECT?
\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]
In the following reaction, the oxidation number of Cr changes.
\[\ce{ClO^-_{( aq)} + Cr(OH)^-_{4(aq)} -> CrO^{2-}_{4(aq)} + Cl^-_{( aq)} (basic)}\]
Identify the strongest oxidising agent.
\[\ce{Na^+ + e^- -> Na}\]; E0 = −2.714 V
\[\ce{Pt^{2+} + 2e^- -> Pt}\]; E0 = +1.200 V
\[\ce{I2 + 2e^- -> 2I^-}\]; E0 = + 0.535 V
\[\ce{Co^{2+} + 2e^- -> Co}\]; 0 = −0.280 V
The oxidation number of sulphur in S8 molecule is ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Stock notations are used to specify the oxidation numbers of ____________.
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 ______.
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
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?
