Please explain each answer Predict whether aqueous solutions of the following compounds are acidic, basic, or...

Question

Question

Predict whether aqueous solutions of the following compounds are acidic, basic, or neutral. compound Cr(NO) solution is...? a

Please explain each answer

Answer 1

Answer #1

Cr(NO3)3 is salt of strong acid ( HNO3) and weak base (Cr(OH)2

Cr(NO3)3 is acidic due to cationic hydrolysis

Cr^3+ (aq) + 3H2O(l) ------------> Cr(OH)3 + 3H^+ (aq)

NH4Cl is a salt of strong acid (HCl) and weak base ( NH3)

NH4Cl is acidic due to cationic hydrolysis

NH4^+ (aq) + H2O (l) ---------------> NH3(aq) + H3O^+ (aq)

NaI is salt of strong acid HI and strong base ( NaOH)

NaI is neutral

compound solution is

Cr(NO3)3 acidic

NH4Cl acidic

NaI neutral

Answer 2

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