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Which among the following elements have ...

Which among the following elements have 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 felectron in Pb due to which it feels greater attraction from nucleus.
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ERRORLESS-CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -NCERT BASED QUESTIONS (Ionisation Energy)
  1. If the IP of Na is 5.48 eV, the ionsation potential of K will be

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  2. Which of the following has the highest first ionisation energy?

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  3. Which among the following elements have lowest value of IE1?

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

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

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

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

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  8. The first ionisation potential of Na is 5.1eV. The value of electrons ...

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  9. Amongest Be, B, Mg and Al, the second ionization potential is maximum ...

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  10. In which of the following options the order of arrangement does ...

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  11. One among the following is the incrorrect order of increasing ionisati...

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  12. A sudden large jump between the values of second and third ionisation ...

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  13. Which element having the following electronic configuration has minimu...

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  14. The correct order of the second ionisation potential of carbon, nitrog...

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  15. The correct match of contents in Column I with those in Column II is

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  16. One electron species having ionization enegry of 54.4 eV is

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  17. Amongst the following elements whose electronic configuration are ...

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  18. The incorrect statement among the following is

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  19. The first ionization energy of oxygen is less than that of nitrogen. W...

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

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