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MCAT Question of the Day
Q:
Methanethiol, CH
3
SH, has a pK
a
of 10.3 and methanol, CH
3
OH, has a pK
a
of 15.5. Which is a stronger acid? Which is a stronger base, CH
3
S
-
or CH
3
O
-
?
A
Methanethiol is the stronger acid, its conjugate base is the stronger base
B
Methanol is the stronger acid, its conjugate base is the stronger base
C
Methanethiol is the stronger acid, methanol's conjugate base is the stronger base
D
Methanol is the stronger acid, methanethiol's conjugate base is the stronger base
Acid/Base Equilibria
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