मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Identify the following pair of species is in its oxidized state? Cu/Cu2+ - Chemistry

Advertisements
Advertisements

प्रश्न

Identify the following pair of species is in its oxidized state?

Cu/Cu2+

एका वाक्यात उत्तर
Advertisements

उत्तर

Cu/Cu2+

Here, Cu loses two electrons to form Cu2+ ion.

\[\ce{Cu_{(s)}->Cu^2+_{ (aq)} + 2e-}\]

Hence, Cu/Cu2+ is in an oxidized state.

shaalaa.com
Oxidation Number
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Redox Reactions - Exercises [पृष्ठ ९२]

APPEARS IN

बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 6 Redox Reactions
Exercises | Q 3. (E). ii. (b) | पृष्ठ ९२

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.

Oxidation number of oxygen in superoxide 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.

H3PO3


Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.

\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]


Provide the stock notation for the following compound:

FeO


Provide the stock notation for the following compound:

MnO


Provide the stock notation for the following compound:

CuO


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 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?


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 ______.


Oxidation state of nitrogen in nitric oxide is ______.


Which of the following is INCORRECT?


The sum of oxidation number of all atoms in \[\ce{S2O^{2-}_3}\] ion is ______.


The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.


The oxidation state of phosphorous in Mg2P2O7 is ______.


The oxidation number of phosphorous in Ba(H2PO2)2 is ______.


What is the oxidation number of Cr in K2Cr2O7?


Which of the following explanation is correct about the given below reaction?

\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×