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JEE Main20199 Jan 2019Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

In general, the properties that decrease and increase down a group in the periodic table, respectively, are :

Options

  1. AAtomic radius and electronegativity
  2. BElectronegativity and atomic radius
  3. CElectronegativity and electron gain enthalpy
  4. DElectron gain enthalpy and electronegativity

Correct answer

B. Electronegativity and atomic radius

Step-by-step solution

(i) Electronegativity: Top to bottom decrease. (ii) Atomic Radius: generally Increases top to Bottom. (iii) Electron affinity: generally top to bottom decreases.

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