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Question: Answered & Verified by Expert
In the reaction $\mathrm{B}_2 \mathrm{O}_3+C+\mathrm{Cl}_2 \rightarrow A+C O$. The $A$ is
Chemistryp Block Elements (Group 13 & 14)JEE Main
Options:
  • A $\mathrm{BCl}_3$
  • B $\mathrm{BCl}_2$
  • C $\mathrm{B}_2 \mathrm{Cl}_2$
  • D $\mathrm{CCl}_{7}$
Solution:
2464 Upvotes Verified Answer
The correct answer is: $\mathrm{BCl}_3$
$\mathrm{B}_2 \mathrm{O}_3+3 \mathrm{C}+3 \mathrm{Cl}_2 \rightarrow 2 \mathrm{BCl}_3+3 \mathrm{CO}$

$\mathrm{BCl}_3$ is obtained by passing chlorine over the heated mixture of $\mathrm{B}_2 \mathrm{O}_3$ and powdered charcoal.

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