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BITSAT 2023Paper 2

Exam: BITSAT
Year: 2023
Paper: Paper 2
Subject: Chemistry
Chapter: p Block Elements (Group 13 & 14)

BITSAT 2023 · Paper 2 · Chemistry · p Block Elements (Group 13 & 14)

In reaction BF_3+3 LiBH_4 arrow 3 LiF+X ; X is

In reaction

\mathrm{BF}_3+3 \mathrm{LiBH}_4 \rightarrow 3 \mathrm{LiF}+X ; X

is

Options

A $\mathrm{B}_4 \mathrm{H}_{10}$
B $\mathrm{B}_2 \mathrm{H}_6$
C $\mathrm{BH}_3$
D $\mathrm{B}_3 \mathrm{H}_8$

Correct answer

B. $\mathrm{B}_2 \mathrm{H}_6$

Step-by-step solution

2 \mathrm{BF}_3+3 \mathrm{LiBH}_4 \rightarrow 2 \mathrm{ B}_2 \mathrm{H}_6+3 \mathrm{LiF}

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