Advertisements
Advertisements
प्रश्न
Choose the correct option.
Oxidation number of carbon in H2CO3 is
विकल्प
+1
+2
+3
+4
Advertisements
उत्तर
Oxidation number of carbon in H2CO3 is +4
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Which of the following halogens does always show oxidation state -1?
In which chemical reaction does carbon exhibit variation of oxidation state from - 4 to + 4? Write a balanced chemical reaction.
In which reaction does nitrogen exhibit variation of oxidation state from –3 to +5?
Calculate the oxidation number of the underlined atom.
H3PO3
Calculate the oxidation number of the underlined atom.
NaH2PO4
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
Identify the following pair of species is in its oxidized state?
Cu/Cu2+
Identify the following pair of species is in its oxidized state?
\[\ce{O2/O^2-}\]
Provide the stock notation for the following compound:
Tl2O
Provide the stock notation for the following compound:
Fe2O3
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 oxidizing agent?
Cl2 (E0 = 1.36 V) and Br2 (E0 = 1.09 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 |
Oxidation state of Xe in XeOF4 is ____________.
The oxidation number of oxygen in peroxides is ____________.
Which of the following is NOT an example of redox reaction?
Which of the following is INCORRECT?
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?
Carbon is present in highest oxidation number in ______.
The oxidation number of oxygen in oxygen difluoride (OF2) and dioxygen difluoride (O2F2) respectively is ______.
What is the average oxidation number of sulphur in tetrathionate ion?
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:
