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CUET · CHEMISTRY · PYQ PAPER 2023

Increasing order of oxidation states of transition metal oxides will be :
(A) \(\text{TiO}_2\)
(B) \(\text{MnO}_4^-\)
(C) \(\text{VO}_2^+\)
(D) \(\text{CrO}_4^{2-}\)
(E) \(\text{Ni(CO)}_4\)
Choose the \textbf{correct} answer from the options given below :

  1. A (B) < (D) < (C) < (A) < (E)
  2. B (E) < (C) < (A) < (D) < (B)
  3. C (E) < (A) < (C) < (D) < (B)
  4. D (B) < (A) < (C) < (D) < (E)
Verified Solution

Answer & Solution

Correct Answer

(C) (E) < (A) < (C) < (D) < (B)

Step-by-step Solution

Detailed explanation

Oxidation state of metal in \( \text{TiO}_2 \): \( \text{Ti} + 2(-2) = 0 \implies \text{Ti} = +4 \) Oxidation state of metal in \( \text{MnO}_4^- \): \( \text{Mn} + 4(-2) = -1 \implies \text{Mn} = +7 \) Oxidation state of metal in \( \text{VO}_2^+ \):…
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