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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.
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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
- Gem-dihalides are hydrolysed with either acid or basic catalysts to give
- The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
- Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
- Metallic sodium can be stored in
- In the electrolysis of aqueous solution of CuSO₄ using copper electrodes, the
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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