Advertisements
Advertisements
प्रश्न
Which of the following redox couple is a stronger reducing agent?
Zn (E0 = - 0.76 V) and Fe (E0 = - 0.44 V)
Advertisements
उत्तर
Zn has a larger negative value of E0 than Fe. Thus, Zn is a stronger reducing agent than Fe.
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 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.
H2SO4
Calculate the oxidation number of the underlined atom.
H3PO3
Calculate the oxidation number of the underlined atom.
H2S4O6
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
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 reducing agent?
Li (E0 = - 3.05 V) and Mg (E0 = - 2.36 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 ____________.
The oxidation number of oxygen in peroxides 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 ______.
In the complex [Co(en)3]Cl3, ____________.
In the following reaction, the oxidation number of Cr changes.
\[\ce{ClO^-_{( aq)} + Cr(OH)^-_{4(aq)} -> CrO^{2-}_{4(aq)} + Cl^-_{( aq)} (basic)}\]
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 ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Which of the following is INCORRECT?
What is the oxidation number of Carbon in K2C2O4?
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 ______.
Among group 16 elements, which one does not show −2 oxidation state?
