Скачать или смотреть JEE Mains PYQ | Classification of Elements & Periodicity in Properties | Lect 1 |

JEE Mains PYQ | Classification of Elements & Periodicity in Properties | Lect.-1 | #jee #jee2026
Welcome to The Periodic Mastery, your go-to channel for mastering chemistry with deep conceptual clarity! In this video, we’ll dive into handpicked PYQs (Previous Year Questions) from JEE Main based on one of the most scoring and concept-heavy chapters — Classification of Elements & Periodicity in Properties.
Whether it's atomic radius, ionization energy, electronegativity, or periodic trends, we’ll decode every concept with tricks, shortcuts, and logical explanations to help you score full marks in this topic.
10 PYQ Question Cover in this video:
The Questions are
(1) The correct sequence which shows decreasing order of the ionic radii of the elements, is
(2) The correct order of electron gain enthalpy with negative sign of F , Cl , Br and I , having atomic numbers 9, 17, 35 and 53 respectively, is:
(3) Which among the following elements has the highest first ionization enthalpy?
(4) The electron affinity of chlorine is 3.7eV. 1 gram of chlorine is completely converted to Cl− ion in a gaseous state. Energy released in the process is
(5) Which is the correct order of second ionization potential of C, N , O and F in the following?
(6) The order of increasing sizes of atomic radii among the elements O, S, Se and As is:
(7) Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
(8) Which one of the following has largest ionic radius?
(9) Which of the following arrangements represents the increasing order (smallest to largest) of ionic radii of the given species O2−, S2−, N3−, P3−?
(10) Which of the following series correctly represents relations between the elements from X to Y ?
X → Y


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