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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: - Different gases at the same temperature must have
- K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
- Which of the following doesn’t give a ppt. with silver nitrate solution
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- Which of the following is the monoliquid propellant
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
- Different gases at the same temperature must have
- K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
- Which of the following doesn’t give a ppt. with silver nitrate solution
- If an amide is treated with P₂O₅ the likely product is an
- Which of the following is the monoliquid propellant
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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