Which of the compounds above are strong enough acids to react almost completely

Question

Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pKa of H2O = 15.74) or with a bicarbonate ion (pKa of H2CO3 = 6.37)?

Compound a Compound b Compound c CH3COH acetic acid pKa = 4.76 CH3CCH2CCH3 CH3CCH2COCH2CH3 ethyl acetoacetate pKa11 pentane-2,4-dione pKa - 9 Which of the compounds above are strong enough acids to react almost completely with a hydroxide ion (pK of H20 5.74) or with a bicarbonate ion (pKa of H2CO Enter your answers as an alphabetized string, i.e. abc, not cba; enter none if none of the compounds are strong enough acids. 6.37)? Hydroxide ion: Bicarbonate ion:

Explanation / Answer

A:- Hydroxide ion: a,c, b

   Bicarbonate ion: c, b, a

Hydroxide ion - acetic acid: acetic acid (weak acid) is reacts with hydroxide (as NaOH) ion to form water, sodium acetate.

CH3COOH   +    NaOH     --------------->   CH3COONa    +      H2O

     Bicarbonate ion-Pentane-2,4-dione: Pentane-2,4-dioneis weak acidic in nature, hence which reacts with bicarbonte ion.

  

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