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TS EAMCET · Chemistry · Structure of Atom

Which of the following elements has the highest work function value?

  1. A Na
  2. B K
  3. C Cu
  4. D Ag
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Answer & Solution

Correct Answer

(C) Cu

Step-by-step Solution

Detailed explanation

Work function is the minimum amount of energy required to eject the electrons from the surface of a metal. Its value is directly proportional to the Ionisation potential. Ionisation potential is higher for d-block elements, and it decreases down to the group. Alkali Metals…