Periodic Classification and Periodic Properties 2 Question 34

34.

Statement I F-atom has a less negative electron affinity than Cl-atom.

Statement II Additional electrons are repelled more effectively by 3p-electrons in Cl-atom than by 2p-electrons in F-atom.

(1998, 2M)

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Answer:

Correct Answer: 34. (c)

Solution:

  1. Statement I is true; Statement II is false. F atom has slightly lower affinity for the electron than chlorine. It is due to the reason that additional electrons are repelled more effectively by 2p-electrons in F than by 3p-electrons in Cl-atom.


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