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JEE · NEET Previous Year Question

$Diborane (B_{2} H_{6}) reacts independently with O_{2} and H_{2} O to produce, respectively;$

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

A $B_{2} O_{3} and H_{3} BO_{3}$
B $B_{2} O_{3} and (BH_{4})^{-}$
C $H_{3} BO_{3} and B_{2} O_{3}$
D $HBO_{2} and H_{3} BO_{3}$

Correct answer: A

Solution

(a) B_{2} H_{6} + 3 O_{2} ⟶ B_{2} O_{3} + 3 H_{2} O B_{2} H_{6} + 6 H_{2} O ⟶ 2 H_{3} BO_{3} + 6 H_{2}

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