Answered

Which compounds are classified as Arrhenius acids?

(1) HCl and NaOH

(2) HNO3 and NaCl

(3) NH3 and H2CO3

(4) HBr and H2SO4

Verified Answer :

pyromorphite

(4) HBr i H2SO4...........

Answer:The correct answer is option 4.

Explanation:

Arrhenius acids are those compounds which gives \(H^+\) ions when dissolved in their aqueous solution.

\(HA(aq)\rightarrow H^++A^-\)

Arrhenius bases are those compounds which gives \(OH^-\) ions when dissolved in their aqueous solution.

\(BOH(aq)\rightarrow OH^-+B^+\)

\(HBr \& H_2SO_4\) are Arrhenius acids because they form \(H^+\)ions in their respective aqueous solution.

\(HBr(aq)\rightarrow H^++Br^-\)

\(H_2SO_4(aq)\rightarrow 2H^++SO_{4}^{2-}\)

Hence, the correct answer is option 4.

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