Acidified potassium dichromate on reacting with a sulphite is reduced to
- A$CrO_2Cl_2$
- B$CrO_4^{2-}$
- C$Cr^{3+}$
- D$Cr^{2+}$
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Similar Questions
In the given reaction,calculate the number of electrons lost by iron:
$3Fe + 4H_2O \to Fe_3O_4 + 4H_2$
$3Fe + 4H_2O \to Fe_3O_4 + 4H_2$
Easy
View SolutionThe equivalent weight of $KIO_3$ in the given reaction is ($M=$ molecular mass) :
$2 Cr(OH)_3 + 4 OH^{-} + KIO_3 \rightarrow 2 CrO_4^{2-} + 5 H_2O + KI$
$2 Cr(OH)_3 + 4 OH^{-} + KIO_3 \rightarrow 2 CrO_4^{2-} + 5 H_2O + KI$
Assign $A, B, C, D$ from the given type of reaction:
$5CO(g) + I_2O_5(s) \longrightarrow 5CO_2(g) + I_2(s)$
$5CO(g) + I_2O_5(s) \longrightarrow 5CO_2(g) + I_2(s)$
Medium
View SolutionThe equivalent weight of ${S_2O_3^{2-}}$ in the reaction where it acts as a reductant is ...... . ${2S_2O_3^{2-} + I_2 \rightarrow S_4O_6^{2-} + 2I^-}$
Easy
View SolutionThe number of moles of ferrous oxalate oxidized by one mole of $KMnO_4$ in acidic medium is
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