24 JEE Main 2026 d and f Block Elements previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the d and f Block Elements chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the d and f Block Elements chapter hub.
Correct statements from the following are A. Potassium dichromate is an oxidising agent and it oxidises FeSO₄ to Fe₂(SO…
Given below are two statements: Statement I : The number of pairs, from the following, in which both the ions are colou…
Given below are two statements : Statement I : The first ionization enthalpy of Cr is lower than that of Mn . Statement…
Pairs of elements with the same number of electrons in their respective 4f orbital are [Atomic number. Eu-63, Gd-64, Dy…
Among the following oxides of 3 d elements, the number of mixed oxides are \\\\_。 Ti₂ O₃, ~V₂ O₄, Cr₂ O₃, Mn₃ O₄, Fe₃ O…
On heating a mixture of common salt and K₂ Cr₂ O₇ in equal amount along with concentrated H₂ SO₄ in a test tube, a gas…
Given below are some of the statements about Mn and Mn₂ O₇. Identify the correct statements. A. Mn forms the oxide Mn₂…
Consider the following statements about manganate and permanganate ions. Identify the correct statements. A. The geomet…
The correct order of first ( H₁) and second ( H₂) ionisation enthalpy values of Cr and Mn are : A. H₁ : Cr > Mn B. H₂ :…
Which of the following sets includes all the species that will change the orange colour of K₂Cr₂O₇ in acidic medium?
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.