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QJEEM20Checb7: JEE Main 2020 Chemistry - Class 11 JEEM20Checb7 Solution: In general the property (magnitudes only) that show an opposite …
In general the property (magnitudes only) that show an opposite trend in comparison to other properties across a period is
Multiple Choice Options
- A Electron gain enthalpy
- B Electronegativity
- C Ionization enthalpy
- D Atomic radius
Step-by-Step Verified Solution
Across a period (left to right) in the periodic table :
Ionization enthalpy tends to increase
Electron gain enthalpy (in magnitude) tends to increase (more negative values)
Electronegativity tends to increase
Atomic radius tends to decrease
Hence, atomic radius shows the opposite trend compared to the other three properties. Therefore, the correct answer is
(D) Atomic radius.