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In which of the following pairs do both ...

In which of the following pairs do both the elements show the inert-pair effect?

A

S and Po

B

Al and Ga

C

P and As

D

Tl and Pb

Text Solution

Verified by Experts

The correct Answer is:
D
Inert pair effect is observed in elements of p block belonging to heavier elements of 13, 14, 15 group.
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VMC MODULES ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -LEVEL -1
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  2. Which of the following arrangements shows the correct order of electro...

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  3. In which of the following pairs do both the elements show the inert-pa...

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  4. The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...

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  5. Electron affinity is the

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  6. Consider the first ionization energies of the elements whose electroni...

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  8. Which of the following elements will not show the inert-pair effect ?

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  9. Which of the following arrangements shows the correct order of increas...

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  10. The element having the electronic configuration 1s^(2) 2s^(2) 2p^(6) 3...

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  11. In the periodic table ,with the increase in atomic number , the metall...

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  12. Which of the following molecules is isoelectronic with N2O ?

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  13. The atomic radius of elements of which of the following series would b...

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  14. Which of the following contains an 18-electron structure ?

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  15. Which of the following transformations is considered in defining ioniz...

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  16. In which of the following properties is periodicity not exhibited by t...

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  17. The first ionization energy of Ar is less than that of Ne. An explanat...

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  18. According to the periodic law of elements, the variation in properties...

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  19. Which one of the following group represents a collection of isoelectro...

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  20. Which of the following elements never has an oxidation state +1?

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