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The Lewis acid character of boron trihal...

The Lewis acid character of boron trihalides decreases as: `B Br_(3) gt BCl_(3) gt BF_(3)`. Explain ?

A

` BCl_(3) gt BF_(3) gt BBr_(3)`

B

`BBr_(3) gt BCl_(3) gt BF_(3 )`

C

` BBr_(3) gt BF_(3) gt BCl_(3 )`

D

`BF_(3) gt BBr_(3) gt BCl_(3 )`

Text Solution

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The correct Answer is:
B
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Explore conceptually related problems

Statement: Acidic nature of boron trihalides is in the order BF_(3)ltBCI_(3)ltBBr_(3)ltBI_(3) . Explanation: Basic nature of nitrogen trihalides is in the order NF_(3)gtNCI_(3)gtNBr_(3)gtNI_(3) .

The correct order of Lewis acidic strength of boron trihalides :

The correct Lewis acidic order for boron halides is (A) \(BF_{3} > BCl_{3} > BBr_{3} > BI_{3}\) (B) \(BCl_{3} > BF_{3} > BBr_{3} > BI_{3}\) (C) \(BI_{3} > BBr_{3} > BCl_{3} > BF_{3}\) (D) \(BBr_{3} > BCl_{3} > BI_{3} > BF_{3}\)

How ultrapure boron can be prepared from Bl_(3) or BCl_(3) ?

BCl_(3) exists but BH_(3) does not. Explain.

The power of halides of boron to act as Lewis acids decreases in the order

The decreasing trend of acidic nature of trihalides of boron is:

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-QUESTION
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