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Why does the Lewis acid strength of boro...

Why does the Lewis acid strength of boron halides follow the order `B Br_3 gt BCl_3 gt BF_3` ?

A

`Bl_(3) gt B Br_(3) gt BCl_(3) gt BF_(3)`

B

`BF_(3) gt BCl_(3) gt B Br_(3) gt Bl_(3)`

C

`BCl_(3) gt BF_(3) gt B Br_(3) gt Bl_3`

D

`Bl_(3) gt B Br_(3) lt BF_(3) lt HCl_(3)`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-THE P-BLOCK ELEMENTS-Assignment Section-A)
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  2. Which one of the following elements of group 13 can react with alkali ...

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  3. Why does the Lewis acid strength of boron halides follow the order B B...

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  6. B(OH)(3) will accept how many OH^(-) ions?

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  7. Boric acid is polymeric due to (a) its acidic nature , (b) the pre...

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  8. Select the incorrect statement for B(2)H(6)

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  9. If diborane each boron has three electrons bonds around each B atom an...

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  12. Why are alloys used for making standard resistance coils?

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  13. Which of the following alkali metal does not form alum ?

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  18. Metalloid among the following is

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  19. On moving down the group, acidic nature of oxides of group 14.

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