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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 has zero dipole moment
- The number of sigma and pi-bonds in but-1-ene-3-yne are
- Green chemistry means such reaction which
- A gas can be liquefied
- Which one of the following is wrong about molecularity of a reaction
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 has zero dipole moment
- The number of sigma and pi-bonds in but-1-ene-3-yne are
- Green chemistry means such reaction which
- A gas can be liquefied
- Which one of the following is wrong about molecularity of a reaction
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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