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Which of the following elements will have the lowest first ionisation energy?
Options
(a) Li
(b) Mg
(c) Ca
(d) Rb
Correct Answer:
Rb
Explanation:
Rb belongs to I-A group and has maximum size. Hence, has lowest IE₁.
Related Questions: - What products are formed when the following compound is treated with Br₂
- Which of the following is an alicyclic compound
- In the gas equation ,PV = nRT
- Which of the following is biodegradable substance
- The van’t Hoff factor i for a compound which undergoes dissociation in one solvent
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
- What products are formed when the following compound is treated with Br₂
- Which of the following is an alicyclic compound
- In the gas equation ,PV = nRT
- Which of the following is biodegradable substance
- The van’t Hoff factor i for a compound which undergoes dissociation in one solvent
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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