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Which one of the following electrolytes ...

Which one of the following electrolytes would dissolve in water to give a 0.1M solution with pH about 9

A

`CH_(3)COOH`

B

`CH_(3)COONa`

C

`NH_(4)Cl`

D

KOH

Text Solution

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The correct Answer is:
B
`CH_(3)COOH ` - Weakly acidic ` - pH lt 7`
`CH_(3)COONa ` - Weekly basic ` - pH approx 9 `
`NH_(4)Cl` - Weakly acidic - `pH lt 7`
KOH - Strongly basic `-pH gt 12 `
NaCL - Neutral solution `-pH approx 7`
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