Which of the following elements will have the lowest first ionisation energy?

Which Of The Following Elements Will Have The Lowest First Chemistry Question

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:

  1. The correct set of four quantum numbers for the valence electron of rubidium atom
  2. The absolute enthalpy of neutralisation of the reaction
  3. Silver sulphide dissolves in a solution of sodium cyanide to form the complex
  4. When river water meets sea water delta formation takes place. This is due to
  5. 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

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*