Classify these salts as acidic, basic, or neutral.

Question

Classify these salts as acidic, basic, or neutral. 

KCL, NH4Br, K2CO3, NaCN, LiClO4? This is what I put but got it wrong: KCl = basic NH4Br = acidic K2CO3 = basic NaCN = basic LiClO = Neutral

Answer ( Expert Verified )

In classifying salts as neutral, acidic, or basic, it is important to take note of the strength of the acids and bases that they come from. A strong acid and strong base produce a neutral salt. A weak acid and strong base produce a basic salt. A strong acid and weak base produce an acidic salt. So the answers must be:

KCl = neutral (from HCl and KOH)
NH4Br = acidic (from NH4 and HBr)
K2CO3 = basic (from KOH and H2CO3)
NaCN = basic (from NaOH and HCN)
LiClO = basic (from LiOH and HClO)

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