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JEE Main Periodic Properties questions with solutions

Periodic trends in radii, ionisation enthalpy, electronegativity and electron affinity. 9 questions from our 2016–2025 JEE Main pattern papers, from the Class 11 Chemistry syllabus. Each has the answer and a full solution.

JEE Main 2025

Sequences correctly represents increasing first ionisation enthalpy?JEE Main 2025 · easy

JEE Main 2023

The correct increasing order of first ionisation enthalpy isJEE Main 2023 · easy

JEE Main 2022

For how many of the following pairs of consecutive elements does the second element have the lower first ionisation enthalpy: (Be, B), (N, O), (Mg…JEE Main 2022 · medium

JEE Main 2021

Represents the correct order of first ionisation enthalpy?JEE Main 2021 · easy

JEE Main 2020

The correct order of first ionisation enthalpy among B, Be, N and O isJEE Main 2020 · easy

JEE Main 2019

The correct order of increasing first ionisation enthalpy for Mg, Al, Si, P and S isJEE Main 2019 · easy

JEE Main 2018

Which of the elements Na, Mg, Al and Si has the highest second ionisation enthalpy?JEE Main 2018 · easy

JEE Main 2017

The correct order of second ionisation enthalpy (IE2) of Be, B, C and N isJEE Main 2017 · medium

JEE Main 2016

The number of amphoteric oxides among Al2O3, ZnO, CO, N2O, SnO2, BeO, PbO and CaO isJEE Main 2016 · medium

Other Chemistry topics

Alcohols, Phenols, Ethers and Haloalkanes 16 Atomic Structure 12 Biomolecules and Polymers 14 Carbonyl Compounds, Carboxylic Acids and Amines 25 Chemical Bonding and Molecular Structure 14 Chemical Equilibrium 10 Chemical Kinetics 13 Chemical Thermodynamics 16 Coordination Compounds 18 Electrochemistry 18 General Organic Chemistry and Isomerism 13 Hydrocarbons 16 Ionic Equilibrium 11 Mole Concept and Stoichiometry 12 Qualitative and Practical Chemistry 8 Redox Reactions and Titrations 9 Solutions, Solid State and Surface Chemistry 19 d- and f-Block Elements and Metallurgy 14 s-Block, p-Block Elements and Hydrogen 23