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Ionic Equilibrium question

2022 · 28 Jun · Shift 2 · Q4
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  5. /2022 · 28 Jun · Shift 2 · Q4

Ionic Equilibrium question

2022 · 28 Jun · Shift 2 · Q4

JEE MainChemistryIonic EquilibriumMCQ+4 / −1
A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of [CH3CH2COO−][CH3CH2COOH]{{[C{H_3}C{H_2}CO{O^ - }]} \over {[C{H_3}C{H_2}COOH]}}[CH3​CH2​COOH][CH3​CH2​COO−]​ required to make buffer is ‾\underline{\hspace{2cm}}​. Given : Ka(CH3CH2COOH)=1.3×10−5{K_a}(C{H_3}C{H_2}COOH) = 1.3 \times {10^{ - 5}}Ka​(CH3​CH2​COOH)=1.3×10−5
  1. A
    0.03
  2. B
    0.13
  3. C
    0.23
  4. D
    0.33
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