Advertisements
Advertisements
Question
What is oxidation?
Advertisements
Solution
Oxidation is a process that involves the loss of one or more electrons from a substance.
APPEARS IN
RELATED QUESTIONS
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 is the correct stock notation for manganese dioxide?
Choose the correct option.
Oxidation number of oxygen in superoxide is
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.
HNO3
Calculate the oxidation number of the underlined atom.
H3PO3
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
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Identify the following pair of species is in its oxidized state?
Cl2/Cl−
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)
Complete the following table:
Assign oxidation number to the underlined species and write Stock notation of compound
| Compound | Oxidation number | Stock notation |
| AuCl3 | ||
| SnCl2 | ||
| \[\ce{\underline{{V}}_2O^{4-}_{7}}\] | ||
| \[\ce{\underline{{Pt}}Cl^2-_6}\] | ||
| H3AsO3 |
The following statements are CORRECT, EXCEPT:
What is the oxidation number of As in H3AsO3?
Identify the strongest oxidising agent.
\[\ce{Na^+ + e^- -> Na}\]; E0 = −2.714 V
\[\ce{Pt^{2+} + 2e^- -> Pt}\]; E0 = +1.200 V
\[\ce{I2 + 2e^- -> 2I^-}\]; E0 = + 0.535 V
\[\ce{Co^{2+} + 2e^- -> Co}\]; 0 = −0.280 V
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` |
All of these are CORRECT for the complex K4[Mn(CN)6], EXCEPT:
Stock notations are used to specify the oxidation numbers of ____________.
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 oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
Which of the following changes exhibit that nitrogen undergoes oxidation?
