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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: - Which of the following reactions will not result in the formation of carbon
- When chloroform is exposed to light and air, it forms
- The adjacent sheets are bonded together in graphite with
- The gas molecules have r.m.s. velocity of its molecules as 1000 m/s
- The reaction of chloroform with ethylamine in alcoholic alkali gives
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
- Which of the following reactions will not result in the formation of carbon
- When chloroform is exposed to light and air, it forms
- The adjacent sheets are bonded together in graphite with
- The gas molecules have r.m.s. velocity of its molecules as 1000 m/s
- The reaction of chloroform with ethylamine in alcoholic alkali gives
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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