P-Block Elements Ques 1

Question: In the reaction $ B_2O_3+C+Cl_2\to A+CO. $ The A is

[Pb. PMT 2000]

Options:

A) $ BCl_3 $

B) $ BCl_2 $

C) $ B_2Cl_2 $

D) $ CCl_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ B_2O_3+3C+3Cl_2\to 2BCl_3+3CO $ $ BCl_3 $ is obtained by passing chlorine over the heated mixture of $ B_2O_3 $ and powdered charcoal.



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