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The pronounced change from non-metallic ...

The pronounced change from non-metallic behaviour and also increase in the basicity of oxides from nitrogen to bismuth in group `15` is principally due to incresing size of the atoms. The ionisation potential of nitrogen is very high on account of its small size. However, ionisation potential decreases regularly on descending the group.
Which trihalide is most ionic among the following ?

A

`NCl_3`

B

`PCl_3`

C

`BiF_3`

D

`SbF_3`

Text Solution

Verified by Experts

The correct Answer is:
C
Since `Bi` is metallic, its halides are ionic.
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Linked Comprehension)
  1. NH3 has got pyramidal structure. By replacement of H atom it forms (CH...

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  2. Solid N2 O5 exists as NO2^(oplus) NO3^(Ө) and hence is called nitroniu...

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  3. Solid N2 O5 exists as NO2^(oplus) NO3^(Ө) and hence is called nitroniu...

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  4. Solid N2 O5 exists as NO2^(oplus) NO3^(Ө) and hence is called nitroniu...

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  5. PCl5 has trigonal pyramidal geometry with sp^3 d hybridisation in gase...

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  6. PCl5 has trigonal pyramidal geometry with sp^3 d hybridisation in gase...

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  7. PCl5 has trigonal pyramidal geometry with sp^3 d hybridisation in gase...

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  8. In solid state PCl(5) exist as [PCl(4)]^(+) [PCl(6)]^(-). The hybridis...

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  9. The pronounced change from non-metallic behaviour and also increase in...

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  10. The pronounced change from non-metallic behaviour and also increase in...

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  11. Which of the following fluorides does not exist?

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  12. Which of the following oxides is most acidic ?

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  13. The pronounced change from non-metallic behaviour and also increase in...

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  14. The pronounced change from non-metallic behaviour and also increase in...

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  15. The pronounced change from non-metallic behaviour and also increase in...

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  16. Phosphorus forms a number of oxoacids which differ in their structures...

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  17. Phosphorus forms a number of oxoacids which differ in their structures...

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  18. Phosphorus forms a number of oxoacids which differ in their structures...

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  19. Phosphorus forms a number of oxoacids which differ in their structures...

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  20. Phosphorus forms a number of oxoacids which differ in their structures...

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