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Which of the following has the highest electron affinity?
Options
(a) F⁻
(b) O⁻
(c) O
(d) Na
Correct Answer:
O
Explanation:
As the size of atom decreases, a larger amount of energy is released when an elctrn is added to an isolated gaseous atom. Among the given species, the size of O atom is smallest (Since, size of parent atom is smaller as compared to its anion), thus its elctrn affinity is highest.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Butter is an example of which type of colloid
- Sea weeds are an important source of
- The base present in DNA, but not RNA is
- The ligands in anticancer drug cis-platin are
- Magnetic quantum number specifies
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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