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Which of the following elements will hav...

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

A

Mg

B

Rb

C

Li

D

Ca

Text Solution

Verified by Experts

The correct Answer is:
B
As it belongs to IA group and has maximum size.
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ERRORLESS -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Ionisation Energy
  1. With reference to ionisation potential which one of the following sets...

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  2. Which of the element is expected to have lowest first ionisation entha...

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  3. Which of the following elements will have the lowest first ionisation ...

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  4. Which of the following species has lowest ionisation potential?

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  5. The correct order in which the first ionisation potential increases is

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  6. Generally, the first ionisation energy increases along a period. But t...

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  7. Ionisation energy in group I-A varies in the decreasing order as

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  8. The second ionisation potential of an element M is the energy required...

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  9. Arrange S, P and As in order of increasing ionisation energy.

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  10. Which ionisation potential (IP) in the following equations involves th...

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  11. Which of the following has highest ionisation energy ?

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  12. Which one of the following elements has the highest ionisation energy?

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  13. Which of the following electrons should generally have the highest val...

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  14. The first ionisation energy of beryllium is more than that of boron be...

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  15. A rarr A^(+)+e,E(1) and A^(+) rarr A^(2+)+e,E(2). The energy requried ...

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  16. Which of the following explanation is best for not placing hydrogen in...

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  17. Choose the correct statement

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  18. The ionisation energy of an element is

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  19. Assertion :First ionization energy is lower than oxygen. Reason :Ac...

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  20. Assertion: E^(@) for Mn^(3+)//Mn^(2+) is more positive than Cr^(3+)//C...

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