⇦ | ⇨ |
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
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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 electrolysis of NaCl when Pt electrode is taken then H₂ is liberated at cathode
- The s-block element used as a catalyst in the manufacture of Buna-S rubber is
- Using the Gibb’s energy change,ΔG⁰ = +63.3 kJ, for the following reaction
- Siver chloride is soluble in methylamine due to the formation of
- The number of nodal planes in pₓ 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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