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Which among the following elements have ...

Which among the following elements have the lowest value of `IE_(1)`?

A

Pb

B

Sn

C

Si

D

C

Text Solution

Verified by Experts

The correct Answer is:
B
The ionisation energy of tin {Sn} is less than that of lead (Pb). It is due to the poor shielding of d- and f- electron in Pb due to which it feels greater attraction from nucleus.
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ERRORLESS -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Ionisation Energy
  1. The first ionisation potential will be maximum for

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  2. Fluorine is the best oxidising agent because it has

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  3. Which among the following elements have the lowest value of IE(1)?

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  4. Ionistion energy is highest for

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  5. The increasing order of the first ionisation enthalpies of the element...

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  6. In a given shell, the order of screeing effect is

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  7. The successive ionzation enegry values for an element X are given belo...

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  8. Among the following transition elements, pick out the element/elements...

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  9. The first ionzation enegry of oxygen is less than that of nitrogen. Wh...

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  10. The correct decreasing order of first ionisation enthalpies of five el...

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  11. Among the following, the third ionisation energy is highest for

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  12. The decreasing order of the first ionization energy (in kJ mol^(-1)) o...

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  13. The screening effect of inner electrons of an atom can cause

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  14. The first ionization energies of alkaline earth metal are higher than ...

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  15. Highest energy will be absorbed to eject out the electron in the confi...

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  16. In which of the following process highest energy is absorbed?

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  17. The formation of the oxide ion O((g))^(2-) requires first an exothermi...

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  18. With reference to ionisation potential which one of the following sets...

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

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

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