Advertisements
Advertisements
Question
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
Advertisements
Solution
Cl2/Cl−
Here, each Cl gains one electron to form Cl− ion.
\[\ce{Cl2_{(g)} + 2e- ->2Cl^-_{ (aq)}}\]
Hence, Cl2/Cl– is in a reduced state.
APPEARS IN
RELATED QUESTIONS
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.
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 is the correct stock notation for manganese dioxide?
Choose the correct option.
Which of the following halogens does always show oxidation state -1?
In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?
Calculate the oxidation number of the underlined atom.
H2SO4
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.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{HF_{(aq)} + {OH}^-_{ (aq)}->H2O_{(l)} + {F}^ -_{ (aq)}}\]
What is oxidation?
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
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:
Tl2O
Provide the stock notation for the following compound:
CuO
Assign oxidation number atom in the following species.
\[\ce{Cr(OH)^Θ_4}\]
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)
Which of the following is NOT an example of redox reaction?
Oxidation state of nitrogen in nitric oxide is ______.
The sum of oxidation number of all atoms in \[\ce{S2O^{2-}_3}\] ion is ______.
The oxidation state of phosphorous in Mg2P2O7 is ______.
The oxidation number of Cr in \[\ce{Cr(OH)^-_4}\] ion is ______.
Which of the following explanation is correct about the given below reaction?
\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
What is the average oxidation number of sulphur in tetrathionate ion?
Among group 16 elements, which one does not show −2 oxidation state?
In which of the compounds does ‘manganese’ exhibit the highest oxidation number?
