Chemistry S & P Block Elements MDCAT 2012
PMDC Verified Question 98 of 104
More the ionization energy of an element
A
More the electro positivity
B
Less the metallic character
C
More the reducing power
D
Bigger the atomic radius
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Less the metallic character
Concept:

Ionization Energy (IE) is an index of metallic character. Metallic character is the tendency of an atom to lose electrons.

Solution:

  • If an element has a high ionization energy, it strongly holds onto its valence electrons and resists losing them.
  • Since metallic character is defined by the ease of losing electrons, a high IE means the element has a very low tendency to lose electrons.
  • Therefore, Ionization Energy is inversely proportional to metallic character.


Why other options are incorrect:

  • Option A & C: High IE means less electropositivity and less reducing power, because both require the atom to lose electrons easily.
  • Option D: High IE is associated with a smaller, not bigger, atomic radius (stronger nuclear pull).

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