Advertisements
Advertisements
Question
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
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 of the following halogens does always show oxidation state -1?
Choose the correct option.
The process \[\ce{SO2->S2Cl2}\] is
Calculate the oxidation number of the underlined atom.
HNO3
Calculate the oxidation number of the underlined atom.
K2C2O4
Calculate the oxidation number of the underlined atom.
Cr2O72−
Calculate the oxidation number of the underlined atom.
NaH2PO4
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
Provide the stock notation for the following compound:
MnO
Provide the stock notation for the following compound:
CuO
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 |
What is the oxidation number of Mn in \[\ce{MnO^{2-}_4}\] ion?
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 ______.
The oxidation number of sulphur in S8 molecule is ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
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 ____________.
The oxidation state of phosphorous in Mg2P2O7 is ______.
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
What is the oxidation state of chlorine atom in perchloric acid?
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
