Which reactions are used for the preparation of the halogen acid? (A) 2 4 2 4 KBr H SO conc. K SO 2HBr (B) 2 2 4 4 2 CaF H SO conc Ca HSO HF (C) 2 4 4 NaCl H SO conc NaHSO HCl (D) 2 4 2 4 2KI H SO con

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Question

Which reactions are used for the preparation of the halogen acid?

(A) 2 4 2 4 KBr H SO conc. K SO 2HBr
(B) 2 2 4 4 2 CaF H SO conc Ca HSO HF
(C) 2 4 4 NaCl H SO conc NaHSO HCl
(D) 2 4 2 4 2KI H SO conc K SO 2HI

Prashant Kotian · Accepted Answer

Correct answer:

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