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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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- Silver sulphide dissolves in a solution of sodium cyanide to form the complex
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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
- The correct set of four quantum numbers for the valence electron of rubidium atom
- The absolute enthalpy of neutralisation of the reaction
- Silver sulphide dissolves in a solution of sodium cyanide to form the complex
- When river water meets sea water delta formation takes place. This is due to
- Plaster of paris is used
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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