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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Choose the correct option. Oxidation number of oxygen in superoxide is - Chemistry

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प्रश्न

Choose the correct option.

Oxidation number of oxygen in superoxide is

पर्याय

  • −2

  • −1

  • `-1/2`

  • 0

MCQ
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उत्तर

Oxidation number of oxygen in superoxide is `-1/2`

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Oxidation Number
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पाठ 6: Redox Reactions - Exercises [पृष्ठ ९१]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 6 Redox Reactions
Exercises | Q 1. (H) | पृष्ठ ९१

संबंधित प्रश्‍न

In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?


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−


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:

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)


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:


Oxidation state of Xe in XeOF4 is ____________.


What is the oxidation number of As in H3AsO3?


Which of the following is CORRECT?

\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]


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 ______.


In the following reaction, the oxidation number of Cr changes.

\[\ce{ClO^-_{( aq)} + Cr(OH)^-_{4(aq)} -> CrO^{2-}_{4(aq)} + Cl^-_{( aq)} (basic)}\]


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:


What is the oxidation number of Carbon in K2C2O4?


The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.


Carbon is present in highest oxidation number in ______.


The oxidation number of Cr in \[\ce{Cr(OH)^-_4}\] ion is ______.


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