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Mobile App Chapter 7: Q47P (page 316)
Do the equilibria of the following acid–base reactions lie to the right or the left? (The pKa of H2O2 is 11.6.)
Short Answer
Expert verified
The 1st equilibrium lies to the right but the 2nd equilibrium lies to the left.
Step by step solution
01
Definition of equilibrium-
a static (as in a body acted on by forces whose resultant is zero) or dynamic state of balance between opposing forces or actions (as in a reversible chemical reaction when the velocities in both directions are equal).
02
Find the following acid–base reactions lie to the right or the left for the first reaction
Because HOOH (pKa=11.6) is a stronger acid than H2O (pKa=15.7), the first equilibrium is to the right.
03
Find the following acid–base reactions lie to the right or the left for the second reaction
Because alkyne (pKa=25) is a weaker acid than HOOH (pKa=15.7), the second equilibrium is to the left.
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