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.
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.
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
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.
NaH2PO4
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
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:
Fe2O3
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.
\[\ce{Cr(OH)^Θ_4}\]
Oxidation state of Xe in XeOF4 is ____________.
What is the oxidation number of Mn in \[\ce{MnO^{2-}_4}\] ion?
Which of the following is CORRECT?
\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]
In the complex [Co(en)3]Cl3, ____________.
The oxidation number of sulphur in S8 molecule is ______.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
When methane undergoes combustion in air, the oxidation number of C ____________.
Which of the following is INCORRECT?
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
Which of the following changes exhibit that nitrogen undergoes oxidation?
