d- and f-Block Elements
Previous year questions with solutions · 2025 – 2026
42 Questions
27 Papers covered
5.05% ↓15.8% Weightage in 2026
Year-wise statistics questions · papers · average per paper · weightage Year Questions Papers Avg / paper Weightage 2026 24 19 1.3 5.05% ↓15.8% 2025 18 12 1.5 6.00%
All 42 MCQ 32 Matching 1 Numerical 9 TopicAll Formation of Complex Compounds, Catalytic Properties, Interstitial Compounds and Alloy Formation General Characteristics of Actinoids and Comparison with Lanthanoids Ionisation Enthalpy of d-Block Elements Lanthanoids: Electronic Configuration, Atomic and Ionic Sizes Magnetic Properties of d-Block Elements and Formation of Coloured Ions Melting Point and Enthalpy of Atomisation of d-Block Elements Oxidation States of d-Block Elements and Their Stability Oxides and Oxo-Anions of Transition Metals Preparation and Properties of KMnO₄ Preparation and Properties of K₂Cr₂O₇ YearAll 2026 2025
31
Which of the following oxidation reactions are carried out by both K2Cr2O7 and KMnO4 in acidic medium? Choose the correct answer from the options given below :
A, B and C Only C, D and E Only B, C and D Only A, D and E Only JEE Main 2025 (Online) 28th January Morning Shift
32
The amphoteric oxide among V2O3, V2O4 and V2O5, upon reaction with alkali leads to formation of an oxide anion. The oxidation state of V in the oxide anion is :
+ 4 + 5 + 3 + 7 JEE Main 2025 (Online) 28th January Evening Shift
