`H_2SO_4` cannot be used for obttaining HBr from KBr because :A. (1) H – InterviewSolution

1.	`H_2SO_4` cannot be used for obttaining HBr from KBr because :A. (1) HBr oxidises `H_2SO_4`.B. (2) HBr reduces `H_2SO_4`C. (3) HBr undergoes disproportionationD. (4) KBr reacts very slowly.
Answer» Correct Answer - B The HBr so formed reduces `H_2SO_4` and itself gets oxidised to evolve `Br_2`. `2HBr+H_2SO_4 to 2H_2O + SO_2 + Br_2`

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