Correct statements from the following are A. Potassium dichromate is an oxidising agent and it oxidises FeSO₄ to Fe₂(SO₄)₃ in acidic medium. B. Sodium dichromate can be used as primary standard in volumetric estimation. C. CrO₄²⁻ and Cr₂O₇²⁻ are interconvertible in aqueous solution by varying the pH of the solution. D. Cr-O-Cr bond angle in Cr₂O₇²⁻ is 126°. Choose the correct answer from the options given below:

d- and f-Block Elements: JEE Main 2026 Chemistry question

JEE Main 2026 · 4 Apr, Morning shift · Q61

JEE Main 20264 Apr, Morning shiftChemistryHardd- and f-Block Elements158× since 2002

Correct statements from the following are A. Potassium dichromate is an oxidising agent and it oxidises

\mathrm{FeSO_4}

\mathrm{Fe_2(SO_4)_3}

in acidic medium. B. Sodium dichromate can be used as primary standard in volumetric estimation. C.

\mathrm{CrO_4^{2-}}

and

\mathrm{Cr_2O_7^{2-}}

are interconvertible in aqueous solution by varying the pH of the solution. D. Cr-O-Cr bond angle in

\mathrm{Cr_2O_7^{2-}}

is 126°. Choose the correct answer from the options given below:

JEE Main 2026 d- and f-Block Elements Question with Solution (4 Apr Morning shift, Q61) | JEE Arc