Problem: Which one of the following substances will give an aqueous solution of pH<7?a. KIb. NH4Brc. Na2CO3d. CH3COONae. CH3OH

FREE Expert Solution

pH < 7 →  Acidic

A) KI

K+

  •  main group metal group 1A +1 charge  neutral

 I

  • add H+: HI strong acid
     I-neutral

overall: neutral + neutral neutral

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Problem Details

Which one of the following substances will give an aqueous solution of pH<7?

a. KI

b. NH4Br

c. Na2CO3

d. CH3COONa

e. CH3OH

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