P-Block Elements Ques 600

Question: Concentrated $ H_2SO_4 $ is not used to prepare $ HBr $ from KBr because it

Options:

A) oxidizes $ HBr $ .

B) reduces $ HBr $ .

C) causes disproportionation of $ HBr $ .

D) reacts too slowly with KBr.

Show Answer

Answer:

Correct Answer: A

Solution:

$ 2HBr+H_2SO_4\to Br_2+2H_2O+SO_2 $ $ HBr $ is oxidised to $ Br_2 $



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