Hydrocyanic Acid,HCN,is a Weak Acid

question 13

Multiple Choice

Hydrocyanic acid,HCN,is a weak acid.Write a net ionic equation for the reaction of aqueous hydrocyanic acid and aqueous sodium hydroxide.

• A) HCN(aq)+ NaOH(aq)→ Na⁺(aq)+ CN^-(aq)+ H₂O( )
• B) HCN(aq)+ H₂O(aq)→ CN^-(aq)+ H₃O⁺(aq)
• C) H⁺(aq)+ OH^-(aq)→ H₂O( )
• D) HCN(aq)+ OH^-(aq)→ CN^-(aq)+ H₂O( )
• E) H⁺(aq)+ NaOH(aq)→ Na⁺(aq)+ H₂O( )

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