In the reaction VO - Fe2O3-FeO - V2O5- the equivalent weight of V2O5 is equal to its

Step 1: Finding valence factor of V_2O_5+2VO ++3Fe_2O_3→+2FeO + +5V_2O_5Oxidation number of V in VO = +2Oxidation number of V in V_2O_5 = +5Change in oxidation ...

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Standard XII

Chemistry

Types of Redox Reactions

In the reacti...

Question

In the reaction $VO + {Fe}_{2} O_{3} \to FeO + V_{2} O_{5}$ , the equivalent weight of $V_{2} O_{5}$ is equal to its ______

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Solution

Step 1: Finding valence factor of $V_{2} O_{5}$
$\underset{+ 2}{VO} + \underset{+ 3}{{Fe}_{2} O_{3}} \to \underset{+ 2}{FeO} + \underset{+ 5}{V_{2} O_{5}}$
Oxidation number of $V$ in $VO$ = +2
Oxidation number of $V$ in $V_{2} O_{5}$ = +5
Change in oxidation number of one $V$ atom = $5 - 2 = 3$
Change in oxidation number of two $V$ atoms = $3 \times 2 = 6$
So, valence factor of $V_{2} O_{5}$ = 6
Step 2: Equivalent weight of $V_{2} O_{5}$
$Equivalent weight = \frac{Molecular weight}{valence factor}$
Therefore, $Equivalent weight of V_{2} O_{5} = \frac{Molecular weight}{6}$

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In the reaction VO+Fe2O3→FeO+V2O5, the equivalent weight of V2O5 is equal to its ______

In the reaction $VO + {Fe}_{2} O_{3} \to FeO + V_{2} O_{5}$ , the equivalent weight of $V_{2} O_{5}$ is equal to its ______