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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
IE decraeses as CgtSigtGegtSngtPb IE of SnltPb due to poor sheilding effect of d and f electrons in Pb,
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Of the given alkali metals, the one with smallest size is

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  2. Which among the following elements has lowest value of ionisation pote...

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

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  4. Which of the following pair of elements belongs period of the periodic...

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  5. The first element of rare earth metals is

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  6. The oxide of which of the following elements will be acidic in charact...

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  7. Generally, the valency of noble gases is

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  8. Paulings electronegativity values for elements are useful in predictin...

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  9. The number of elements in the 4th period of periodic table is

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  10. Which period of the periodic table contains maximum number of elements...

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  11. In the second period of periodic table, the ionisation potential of el...

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  12. The valence shell electronic structure of an element is ns^2 np^2. The...

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  13. Which of the following pair of atomic numbers represents s-block eleme...

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  14. Atoms with high value of IE1 always have

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  15. The elements with atomic number 26 will be found in group

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  16. Among the following elements which one has the highest value of first ...

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  17. Which of the following ion is not isoelectronic with O^(2-) ?

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  18. The lightest metal is

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  19. The melting point is lowest for

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  20. Among O,C,F,Cl and Br the increasing order of atomic radii is

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