The correct order of basicity of oxides of vanadium is [2023]

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Q.
The correct order of basicity of oxides of vanadium is [2023]

1 $V_{2} O_{3} > V_{2} O_{5} > V_{2} O_{4}$

2 $V_{2} O_{4} > V_{2} O_{3} > V_{2} O_{5}$

3 $V_{2} O_{3} > V_{2} O_{4} > V_{2} O_{5}$

4 $V_{2} O_{5} > V_{2} O_{4} > V_{2} O_{3}$

Ans.
(3)

Basic strength of oxides $\propto \frac{1}{O.N.}$

$\begin{matrix} Oxide & V_{2} O_{3} & V_{2} O_{4} & V_{2} O_{5} \\ O.N. & + 3 & + 4 & + 5 \end{matrix}$

$\begin{matrix} Basic strength: & V_{2} O_{5} & < & V_{2} O_{4} & < & V_{2} O_{3} \\ Acidic & Amphoteric & Less basic \end{matrix}$

Solution

Q.
The correct order of basicity of oxides of vanadium is [2023]

1 $V_{2} O_{3} > V_{2} O_{5} > V_{2} O_{4}$

2 $V_{2} O_{4} > V_{2} O_{3} > V_{2} O_{5}$

3 $V_{2} O_{3} > V_{2} O_{4} > V_{2} O_{5}$

4 $V_{2} O_{5} > V_{2} O_{4} > V_{2} O_{3}$

Ans.
(3)

Basic strength of oxides $\propto \frac{1}{O.N.}$

$\begin{matrix} Oxide & V_{2} O_{3} & V_{2} O_{4} & V_{2} O_{5} \\ O.N. & + 3 & + 4 & + 5 \end{matrix}$

$\begin{matrix} Basic strength: & V_{2} O_{5} & < & V_{2} O_{4} & < & V_{2} O_{3} \\ Acidic & Amphoteric & Less basic \end{matrix}$

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Solution

Q. The correct order of basicity of oxides of vanadium is [2023]

1 V2O3>V2O5>V2O4

2 V2O4>V2O3>V2O5

3 V2O3>V2O4>V2O5

4 V2O5>V2O4>V2O3

Ans. (3) Basic strength of oxides ∝1O.N. OxideV2O3V2O4V2O5O.N.+3+4+5 Basic strength: V2O5<V2O4<V2O3AcidicAmphotericLess basic

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Q.
The correct order of basicity of oxides of vanadium is [2023]

1 $V_{2} O_{3} > V_{2} O_{5} > V_{2} O_{4}$

2 $V_{2} O_{4} > V_{2} O_{3} > V_{2} O_{5}$

3 $V_{2} O_{3} > V_{2} O_{4} > V_{2} O_{5}$

4 $V_{2} O_{5} > V_{2} O_{4} > V_{2} O_{3}$

Ans.
(3)

Basic strength of oxides $\propto \frac{1}{O.N.}$

$\begin{matrix} Oxide & V_{2} O_{3} & V_{2} O_{4} & V_{2} O_{5} \\ O.N. & + 3 & + 4 & + 5 \end{matrix}$

$\begin{matrix} Basic strength: & V_{2} O_{5} & < & V_{2} O_{4} & < & V_{2} O_{3} \\ Acidic & Amphoteric & Less basic \end{matrix}$