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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: - The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is
- Ethyl bromide can be obtained by the action of HBr on
- The product obtained on fusion of BaSO₄ and Na₂CO₃ is
- Primary,secondary and tertiary amines can be distinguished by
- Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
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
- The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is
- Ethyl bromide can be obtained by the action of HBr on
- The product obtained on fusion of BaSO₄ and Na₂CO₃ is
- Primary,secondary and tertiary amines can be distinguished by
- Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
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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