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Which of the following pairs show reverse properties on moving along a period from left to right and from top to down in a group?
Options
(a) Nuclear charge and electron affinity
(b) ionisation energy and electron affinity
(c) Atomic radius and electron affinity
(d) None of the above
Correct Answer:
Atomic radius and electron affinity
Explanation:
Atomic radius increases from top to bottom in a group while decreases from left to right in a period, on the otherhand electron affinity shows reverse trends, i.e., decreases from top to bottom in a group and increases from left to right in a period.
Related Questions: - In which of the following, the entropy decreases
- HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair
- Choose the correct statements
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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
- In which of the following, the entropy decreases
- HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair
- Choose the correct statements
- One gram mole of a gas at NTP occupies 22.4 L.This facts was derived from
- Which of the following doesn’t give a ppt. with silver nitrate solution
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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