Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

  1. A NaBH<sub>4</sub>
  2. B LiBH<sub>4</sub>
  3. C B<sub>2</sub>H<sub>6</sub>
  4. D Na<sub>2</sub>B<sub>4</sub>O<sub>7</sub> Correct answer

Solution

<p>$$Na_{2}B_{4}O_{7}+7H_{2}O\longrightarrow 2H_{3}BO_{3}+2Na\left[ B\left( OH\right)_{4} \right] $$</p> <p>Aqueous solution of borax is buffer whose pH $\simeq$ 9</p> <p>Other compounds are less basic than this.</p>

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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