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प्रश्न
Provide the stock notation for the following compound:
CuO
उत्तर
+2 –2
\[\ce{CuO->Cu(II)O}\]
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.
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.
Which is the correct stock notation for manganese dioxide?
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 chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.
Calculate the oxidation number of the underlined atom.
HNO3
Calculate the oxidation number of the underlined atom.
K2C2O4
Calculate the oxidation number of the underlined atom.
H2S4O6
What is oxidation?
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:
FeO
Assign oxidation number atom in the following species.
\[\ce{Cr(OH)^Θ_4}\]
Assign oxidation number atom in the following species.
H3BO3
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 following statements are CORRECT, EXCEPT:
What is the oxidation number of Mn in \[\ce{MnO^{2-}_4}\] ion?
In the complex [Co(en)3]Cl3, ____________.
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?
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?
The sum of oxidation states of all atoms in \[\ce{Cr2O^{2-}_7}\] ion is ______.
The oxidation state of phosphorous in Mg2P2O7 is ______.
Carbon is present in highest oxidation number in ______.
The brown ring complex is formulated as [Fe(H2O)5NO]SO4. The oxidation number of iron is ______.
The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
