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Inert pair effect is shown by...

Inert pair effect is shown by

A

All elements of the s-block

B

The last element of a p-block group

C

Middle elements in a d-block series

D

The starting element of a f-block series

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The correct Answer is:
B
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VMC MODULES ENGLISH-CHEMICAL BONDING & CHEMICAL STRUCTURE -EFFICIENT
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  3. Inert pair effect is shown by

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  4. The geometrical configuration (structure) of BF3 and NF3 molecule is :

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  5. When the number of electron pairs on the central atom is six, the geom...

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  6. Select correct statement about valence - bond approach :

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  7. In vinyl acetylene overset(1)( C) H-=overset(2)( C)- overset(3)( C) H=...

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  8. The enolic form of acetone (CH(3)-overset(OH)overset(|)C=CH2) contains

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  10. Which of the following is most polar bond ?

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  11. Which of the following molecules has the shortest carbon-carbon bond ?

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  12. Which of the following molecule forms linear polymeric structure due...

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  13. H2O is dipolar, whereas BeF2 is not. It is because:-

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  14. The correct order of dipole moments of HX bond in the given compounds ...

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  15. The interatomic distance in H(2) and CI(2) molecules are 74 an d198 pm...

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  16. In a diatomic molecule the bond distance is 1 xx 10^(-8) cm. Its dipol...

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  17. The hybridisation of carbon in diamond, graphite and acetylene are res...

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  18. In OF2, the number of bond pairs and lone pairs of electrons are respe...

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  19. Arrange the following species in increasing order of polarizing power ...

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  20. The correct order of polarizability for I^(-),Br^(-),CI^(-),F^(-) is :

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