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प्रश्न
Provide the stock notation for the following compound:
CuO
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उत्तर
+2 –2
\[\ce{CuO->Cu(II)O}\]
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संबंधित प्रश्न
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.
H3PO3
What is oxidation?
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
Provide the stock notation for the following compound:
HAuCl4
Provide the stock notation for the following compound:
Tl2O
Assign oxidation number atom in the following species.
Na2S2O3
Assign oxidation number atom in the following species.
H3BO3
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 redox couple is a stronger reducing agent?
Zn (E0 = - 0.76 V) and Fe (E0 = - 0.44 V)
Oxidation state of Xe in XeOF4 is ____________.
Which of the following is CORRECT?
\[\ce{H3PO4_{(aq)} + 3KOH_{(aq)} -> K3PO4_{(aq)} + 3H2O_{(l)}}\]
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 ______.
The oxidation number of sulphur in S8 molecule is ______.
Match the following.
| Compound | Oxidation no. of underlined element |
| i. \[\ce{\underline{C}_4H4O^{2-}_6}\] | a. +2.5 |
| ii. \[\ce{\underline{N}_3H}\] | b. +1.5 |
| iii. \[\ce{Mg2\underline{P}_2O7}\] | c. +5 |
| iv. \[\ce{Na2\underline{S}_4O6}\] | d. `-1//3` |
In which of the following, oxidation number of oxygen is +2?
Stock notations are used to specify the oxidation numbers of ____________.
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
Which of the following explanation is correct about the given below reaction?
\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
Among group 16 elements, which one does not show −2 oxidation state?
Which of the following changes exhibit that nitrogen undergoes oxidation?
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:
