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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
- An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
- If diazotisation of aniline is carried out at 30⁰ C,the main organic product
- Among the given compounds, one which can be distinguished by AgNO₃ is
- What is the ratio of mass of an electron to the mass of a proton?
- When a strong beam of light is passed through a colloidal solution, the light will
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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