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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 polymer is an example of fibre
- When two atoms of chlorine combine to form one molecule of chlorine gas
- Which of the suggested tests can be used to differentiate the given compounds
- Which one is electron deficient compound?
- 10g of hydrogen and 64g of oxygen were filled in a steel vessel and exploded.
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 polymer is an example of fibre
- When two atoms of chlorine combine to form one molecule of chlorine gas
- Which of the suggested tests can be used to differentiate the given compounds
- Which one is electron deficient compound?
- 10g of hydrogen and 64g of oxygen were filled in a steel vessel and exploded.
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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