The order of increasing Bronsted acidity for boron hydrides is · ABC26IN0197
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Hydrides · Exam: CSIR NET 2015 · Marks: 2 · Difficulty: Hard
The order of increasing Bronsted acidity for boron hydrides is
(a)$\mathrm{B_5H_9 < B_6H_{10} < B_{10}H_{14}}$
(b)$\mathrm{B_{10}H_{14} < B_5H_9 < B_6H_{10}}$
(c)$\mathrm{B_6H_{10} < B_{10}H_{14} < B_5H_9}$
(d)$\mathrm{B_{10}H_{14} < B_6H_{10} < B_5H_9}$
Answer
Explanation
Acidic strength of Borane depends upon (i) number of Boron atoms (ii) decapping Hence, the correct order of acidity is B5H9 <B6H10 <B10H14
Explanation as extracted from the printed page; notation may be imperfect.
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