How we will choose pH of a mobile phase if analyte pKa value is 4

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How we will choose pH of a mobile phase if analyte pKa value is 4..

Answer / dile

generally pH value will be pKA plus/minus i.e if pKa value
is 4 then pH canbe selected as 2-6.

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18 Yes

1 No

How we will choose pH of a mobile phase if analyte pKa value is 4..

above answer is not exactly
pH value will be +/_ ≥2 to Pka of drug

Is This Answer Correct ?

4 Yes

2 No

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