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The set representing the correct order for the first ionisation potential is
Options
(a) K > Na > Li
(b) Be > Mg > Ca
(c) B > C > N
(d) Ge > Si > C
Correct Answer:
Be > Mg > Ca
Explanation:
The ionisation potential decreases in a group on moving downward because atomic radius increases hence, the correct order is Be>Mg>Ca
Related Questions: - Which of the following is not correct for D₂O
- Which of the following is a chiral compound
- Which one of the following species does not exist under normal conditions?
- Which statements is wrong about pH and H⁺
- The volume of water to be added to N/2 HCl to prepare 500 cm³ of N/10 solution is
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
- Which of the following is not correct for D₂O
- Which of the following is a chiral compound
- Which one of the following species does not exist under normal conditions?
- Which statements is wrong about pH and H⁺
- The volume of water to be added to N/2 HCl to prepare 500 cm³ of N/10 solution is
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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