Advertisements
Advertisements
प्रश्न
Provide the stock notation for the following compound:
Fe2O3
Advertisements
उत्तर
+3 –2
\[\ce{Fe2O3->Fe2(III)O3}\]
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 oxygen in superoxide is
In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?
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
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{HF_{(aq)} + {OH}^-_{ (aq)}->H2O_{(l)} + {F}^ -_{ (aq)}}\]
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
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:
MnO
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)
The oxidation number of oxygen in peroxides is ____________.
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Oxidation state of nitrogen in nitric oxide is ______.
In which among the following compounds, oxidation number of nitrogen is + 5?
When methane undergoes combustion in air, the oxidation number of C ____________.
Which of the following is INCORRECT?
The sum of oxidation number of all atoms in \[\ce{S2O^{2-}_3}\] ion is ______.
What is the oxidation number of Carbon in K2C2O4?
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
The oxidation number of phosphorous in Ba(H2PO2)2 is ______.
Which of the following explanation is correct about the given below reaction?
\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
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:
