Home Chemistry D and F - Block Elements JEE Main 2020 - D and F Block The incorrect statement(s) among
Chemistry D and F - Block Elements JEE Main 2020 - D and F Block Single Correct MCQ
Published on: August 13, 2026

The incorrect statement(s) among

A
– and only
B
only and only
C
is (are) A. W(VI) is more stable than Cr (VI) B. In presence f HCl, permanganate titrations provide satisfactory results. C. Some lanthanoid oxides can be used as phosphors. only

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The correct answer is:
D

W(VI) is more stable than Cr (VI)

- Permanganate titrations in presence of HCl are unsatisfactory as HClis oxidised to Lanthanoid oxides are used as phosphors.

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