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प्रश्न
Choose the correct option.
Oxidation number of carbon in H2CO3 is
पर्याय
+1
+2
+3
+4
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उत्तर
Oxidation number of carbon in H2CO3 is +4
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संबंधित प्रश्न
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:
Justify that the following reaction is redox reaction; identify the species oxidized/reduced, which acts as an oxidant and which acts as a reductant.
\[\ce{I2_{(aq)} + 2S2O^{2-}_{3(aq)}->S4O^{2-}_{6(aq)} + 2I^-_{ (aq)}}\]
Identify the following pair of species is in its oxidized state.
Mg/Mg2+
Provide the stock notation for the following compound:
Tl2O
Provide the stock notation for the following compound:
FeO
Provide the stock notation for the following compound:
Fe2O3
Provide the stock notation for the following compound:
CuO
Assign oxidation number atom in the following species.
\[\ce{Cr(OH)^Θ_4}\]
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)
In which of the following, oxidation number of oxygen is +2?
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 ____________.
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 ______.
The sum of oxidation number of all atoms in \[\ce{SnO^{2-}_3}\] ion is _______.
The oxidation number of phosphorous in Ba(H2PO2)2 is ______.
What is the oxidation state of chlorine atom in perchloric acid?
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?
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:
