jee_main_2025_29_jan_morning - Classification of Elements and Periodicity in Properties Topics

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Sample Questions in this Chapter

QUESTION #0 Periodic Trends in Properties
An element 'E' has the ionisation enthalpy value of 374 kJ mol⁻¹ . 'E' reacts with elements A, B, C and D with electron gain enthalpy values of -328 , -349 , -325 and -295 kJ mol⁻¹ , respectively. The correct order of the products EA, EB, EC and ED in terms of ionic character is :
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QUESTION #0 Periodic Trends in Physical and Chemical Properties
Given below are two statements : Statement (I) : The radii of isoelectronic species increases in the order: M g ^ 2 + < N a ^ + < F ^ - < O ^ 2 - Statement (II) : The magnitude of electron gain enthalpy of halogen decreases in the order: C l > F > B r > I
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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