Advertisements
Advertisements
प्रश्न
Choose the correct option.
Oxidation number of oxygen in superoxide is
पर्याय
−2
−1
`-1/2`
0
Advertisements
उत्तर
Oxidation number of oxygen in superoxide is `-1/2`
APPEARS IN
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?
Choose the correct option.
The process \[\ce{SO2->S2Cl2}\] is
In which chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.
In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?
Calculate the oxidation number of the underlined atom.
H2SO4
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{HF_{(aq)} + {OH}^-_{ (aq)}->H2O_{(l)} + {F}^ -_{ (aq)}}\]
What is oxidation?
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
Provide the stock notation for the following compound:
CuO
Assign oxidation number atom in the following species.
Na2S2O3
The following statements are CORRECT, EXCEPT:
Oxidation state of Xe in XeOF4 is ____________.
In the reaction,
\[\ce{MnO^{-1}_4 (aq) + Br^{-1}(aq) -> MnO2(s) + BrO^{-1}_3(aq)}\]
the correct change in oxidation number of the species involved is ______.
Which of the following is NOT an example of redox reaction?
In the complex [Co(en)3]Cl3, ____________.
In which among the following compounds, oxidation number of nitrogen is + 5?
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.
When methane undergoes combustion in air, the oxidation number of C ____________.
What is the oxidation number of Carbon in K2C2O4?
What is the oxidation number of Cr in K2Cr2O7?
Which of the following statements are INCORRECT?
- All the transition metals except scandium form MO oxides which are ionic.
- The highest oxidation number corresponding to the group number in transition metals oxides is attained in Sc2B5 to Mn2B7.
- Basic character increases from V2B5 to V2B4 to V2B5.
- V2B4 dissolves in acids to give VO43– salts.
- CrO is basic but Cr2B5 is atmospheric.
Choose the correct answer from the options given below:
