Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
KCET2019Chemistryd and f Block Elements

Which of the following statement is wrong?

Options

  1. AMetals in highest oxidation states are more stable in oxides than in fluorides.
  2. BAll elements of ( 3 d ) series exhibit variable oxidation states.
  3. CIn highest oxidation states, the transition metals show acidic character.
  4. D( M n³⁺ ) and ( C o³⁺ ) are oxidizing agents in aqueous solution.

Correct answer

B. All elements of ( 3 d ) series exhibit variable oxidation states.

Step-by-step solution

(B) Zn doesn't exhibit variable oxidation states.

Practice d and f Block Elements on Quantrex Academy →

More from d and f Block Elements

Pick out the correct option Assertion(A): Mercury is not considered as a transition element Reason (R): Mercury is a liquid 2026Which of the following does not correctly represent the order of the property indicated against it? 2026The element with the highest third ionisation enthalpy is: 2026The product and its colour when MnO₂ is fused with KOH in presence of O₂ : 2026The ion that has a spin only magnetic moment of 5.9 BM is: 2026Which one of the following species will impart colour to an aqueous solution? 2026The basic character of transition metal monoxides follows the order: 2026K ₂ Cr ₂ O ₇ on heating with aqueous NaOH gives ------------------------- 2026 Full d and f Block Elements list All KCET PYQs