00:06
Answer for part a.
00:11
So these two groups differ only in the presence of an oxygen atom in one of them.
00:20
So here we have to identify which one is more acidic or stronger acid.
00:32
Ch3o, ch2, ch2, oh.
00:37
And the other one is ch2, ch2, and the other one is ch.
00:45
Ch3, ch2, ch2, ch2, ch2, oh2, oh.
00:58
So these two groups differ only in the presence of an oxygen atom.
01:05
In one of them, when replacing one of the hydrogens of the ch3 group with an oxygen atom, acidity increase.
01:16
The reason here is that oxygen is more electron negative than hydrogen.
01:20
It pulls electrons towards its own inductive electron withdrawal and therefore stabilizes the conjugate base by decreasing the concentration of the negative charge of the oxygen atom so stabilizing the conjugate base increase the acid of its acid so thus here we have c h3 o c h2, ch2, oh is more acidic than ch3, ch2, ch2, ch2, ch2, oh.
02:19
And explanation for part b...