SELECT * FROM question_mgmt as q WHERE id=662 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=60 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th chemistry Surface Chemistry write any two characteristics of chemisorption

Question:

Write any two characteristics of Chemisorption.

Answer:

  1. In chemisorption, the gas molecules or atoms are held to the solid surface by chemical bonds which can be a covalent bond or Ionic bond in nature.
  2. Chemisorptions is not reversible in nature because a surface compound is formed due to chemical interaction between the gas molecule & solid surface.


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