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What is the pH of a salt which was produ...

What is the pH of a salt which was produced by a strong acid and a strong base ?

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The correct Answer is:
A-Q; B-P; C-R; D-S
Basic buffer ` to pOH =pKb+ log ""(S)/(B) `
` rArr pH =(pK_a) +log ""( B)/(S) ` acid buffer ` to pH =pK_a +log ""(S)/(A) `
`WA + SB rArr ` anion hydrolysis
`rArr pH =7+ ((pKa+ logc )/( 2))`
` WB+SA rArr ` cation hydrolysis
` rArr pH =7- ((pK_b+log c)/( 2))`
`WB +SA rArr ` cation hydrolysis
` rArr pH = 7- ((pK_b+log c)/(2))`
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