Equilibrium

Equilibrium

Question

The correct order of increasing basicity of the given conjugate bases (R = CH3) is

  • RCO straight O with minus on top space less than space HC space identical to space straight C with minus on top space less than thin space straight N with minus on top straight H subscript 2 space less than straight R with minus on top
  • RCO straight O with minus on top space less than thin space HC space identical to straight C with minus on top space less than space thin space straight R with minus on top less than space straight N with minus on top straight H subscript 2
  • straight R with minus on top space less than HC space identical to space straight C with minus on top space less than space RCO straight O with minus on top space less than space straight N with minus on top straight H subscript 2
  • RCO straight O with minus on top space less than space straight N with minus on top straight H subscript 2 space less than HC space identical to straight C with minus on top space less than thin space straight R with minus on top

Answer

A.

RCO straight O with minus on top space less than space HC space identical to space straight C with minus on top space less than thin space straight N with minus on top straight H subscript 2 space less than straight R with minus on top

Stronger acid has a weaker conjugate base.
Order of acidity : RCOOH > CH≡CH > NH3 > RH
Order of basicity : RCO straight O with minus on top space less than space HC space identical to space straight C with minus on top space less than thin space straight N with minus on top straight H subscript 2 space less than straight R with minus on top 

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