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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.
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
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
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.
H2S4O6
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.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
What is oxidation?
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
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
In the complex [Co(en)3]Cl3, ____________.
In the following reaction, the oxidation number of Cr changes.
\[\ce{ClO^-_{( aq)} + Cr(OH)^-_{4(aq)} -> CrO^{2-}_{4(aq)} + Cl^-_{( aq)} (basic)}\]
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` |
Stock notations are used to specify the oxidation numbers of ____________.
The sum of oxidation states of all atoms in \[\ce{SnO^{2-}_2}\] and CO2 are ____________ respectively.
When methane undergoes combustion in air, the oxidation number of C ____________.
The oxidation state of phosphorous in Mg2P2O7 is ______.
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 ______.
In which of the compounds does ‘manganese’ exhibit the highest oxidation number?
Which of the following changes exhibit that nitrogen undergoes oxidation?
