Problem: The following equation shows the equilibrium in an aqueous solution of ethylamine: C2H5NH2(aq) + H2O(l) ⇌ C2H5NH3+(aq) + OH−(aq) Which of the following represents a conjugate acid-base pair? a) C2H5NH2 and H2O b) C2H5NH3+ and OH− c) H2O and OH− d) C2H5NH2 and OH−

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Problem Details

The following equation shows the equilibrium in an aqueous solution of ethylamine:

C2H5NH2(aq) + H2O(l) ⇌ C2H5NH3+(aq) + OH(aq)

Which of the following represents a conjugate acid-base pair?

a) C2H5NH2 and H2O

b) C2H5NH3+ and OH

c) H2O and OH

d) C2H5NH2 and OH

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