Advertisements
Advertisements
प्रश्न
Calculate the oxidation number of the underlined atom.
H2S4O6
Advertisements
उत्तर
H2S4O6
Oxidation number of H = +1
Oxidation number of O = –2
H2S4O6 is a neutral molecule.
∴ Sum of the oxidation numbers of all atoms = 0
∴ 2 × (Oxidation number of H) + 4 × (Oxidation number of S) + 6 × (Oxidation number of O) = 0
∴ 2 × (+1) + 4 × (Oxidation number of S) + 6 × (–2) = 0
∴ 4 × (Oxidation number of S) + 2 – 12 = 0
∴ 4 × (Oxidation number of S) = + 10
∴ Oxidation number of S =`+10/4`
∴ Oxidation number of S in H2S4O6 = +2.5
APPEARS IN
संबंधित प्रश्न
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?
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.
H3PO3
Calculate the oxidation number of the underlined atom.
Cr2O72−
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?
Cu/Cu2+
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:
Fe2O3
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?
Cl2 (E0 = 1.36 V) and Br2 (E0 = 1.09 V)
Oxidation state of Xe in XeOF4 is ____________.
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
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 among the following compounds, oxidation number of nitrogen is + 5?
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 ____________.
What is the oxidation number of Carbon in K2C2O4?
Which among the following pair of elements show highest oxidation state +7 in their different compounds?
What is the oxidation number of Cr in K2Cr2O7?
What is the oxidation state of chlorine atom in perchloric acid?
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 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:
