Advertisements
Advertisements
प्रश्न
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
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.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Oxidation numbers of Cl atoms marked as Cla and Clb in CaOCl2 (bleaching powder) are
\[\begin{array}{cc} \ce{Cl^{{a}}}\phantom{.} \\/\phantom{...} \\ \ce{Ca}\phantom{......} \\ \backslash\phantom{..} \\\phantom{........} \ce{O-Cl^{{b}}}\phantom{.} \end{array}\]
Choose the correct option.
Which of the following halogens does always show oxidation state -1?
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.
H2S4O6
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.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Provide the stock notation for the following compound:
Tl2O
Provide the stock notation for the following compound:
MnO
Assign oxidation number atom in the following species.
\[\ce{Cr(OH)^Θ_4}\]
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)
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 |
Oxidation state of Xe in XeOF4 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 ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Which of the following is INCORRECT?
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
Carbon is present in highest oxidation number in ______.
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 ______.
What is the average oxidation number of sulphur in tetrathionate ion?
Which of the following changes exhibit that nitrogen undergoes oxidation?
Find CORRECT statement for following reaction.
\[\ce{2Ag+ + Cu -> 2Ag + Cu^2+}\]
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:
