1)NH4Br - acidic (salt of a strong acid and a weak base)

2)SrBr2 - neutral (salt of a strong acid and a strong base)

3)KCN - basic (salt of a weak acid and a strong base)

4)LiF - basic (salt of a weak acid and a strong base)

5)NH4CN - basic, although I doubt that you could measure it (salt of a weak base and a weaker acid)

6)NH4CIO4 - acidic (salt of a strong acid and a weak base)

7)LiNO3 - neutral (salt of a strong acid and a strong base)

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RE:

salts as neutral, acidic, or basic.?

Identify the following salts as neutral, acidic, or basic.

1)NH4Br

2)SrBr2

3)KCN

4)LiF

5)NH4CN

6)NH4CIO4

7)LiNO3

Thank you

NH4Br - acidic 

SrBr2 - neutral  

KCN - basic 

LiF - basic 

NH4CN - basic

NH4CIO4 - acidic 

LiNO3 - neutral

These are identified with their pH values. If the pH value is less than 7 then it is called acidic nature. If the pH value is greater than 7 it is called basic. And if the pH value is equal to 7 then it is called neutral.(water has pH value 7 and is the neutral solution)

KCN - Which KCN salt give/appear Purple colour if we resolve in lemon juice