In an experiment,50 mL of 0.1 M solution of | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The reaction involves the reduction of the metal ion and the oxidation of the sulphite ion.
For the metal ion: $M^{3+} + (3-n)e^- 	o M^{n+}$ (Re

Vedclass · Accepted Answer

$2$

Vedclass · Answer

(C) The reaction involves the reduction of the metal ion and the oxidation of the sulphite ion.
For the metal ion: $M^{3+} + (3-n)e^- 	o M^{n+}$ (Reduction).
The $n$-factor for the metal is $(3-n)$.
For the sulphite ion: $SO_3^{2-} 	o SO_4^{2-} + 2e^-$.
The $n$-factor for the sulphite ion is $2$.
Using the principle of equivalence: $M_1 V_1 n_1 = M_2 V_2 n_2$.
$(0.1 \ M) 	imes (50 \ mL) 	imes (3-n) = (0.1 \ M) 	imes (25 \ mL) 	imes (2)$.
$5 	imes (3-n) = 5$.
$3-n = 1$.
$n = 2$.
Thus,the new oxidation number of the metal is $2$.

Similar Questions

In mildly alkaline medium,thiosulphate ion is oxidized by $MnO_4^-$ to $A$. The oxidation state of sulphur in $A$ is ..... .

How many protons will be consumed when dichromate ion oxidises $Fe^{2+}$ ions in aqueous acidic medium?

Consider the reaction of water with $F_2$ and suggest in terms of oxidation and reduction,which species are oxidized and reduced.

$2MnO_4^{-} + 5H_2O_2 + 6H^{+} \to 2Z + 5O_2 + 8H_2O$. In this reaction $Z$ is

What is the number of electrons gained by $Cl$ atom when $n$ mole of $ClO_4^-$ is transformed into $n$ mole of $ClO_2^-$ ion?

Vedclass Test Series

Exam Paper Generator

Online Exam Module