Arrange the following in increasing order of their `pK_(a)` values.
(x) `CH_(3)-underset(O)underset(||)overset(O)overset(||)S-O-H`
(y) `CH_(3)-overset(O)overset(||)S-O-H`
(z) `CH_(3)-OH`
A. `yltxltz`
B. `xltyltz`
C. `yltzltx`
D. `xgtzgty`

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1 Answers

Correct Answer - B
Stability of reaction hybrid `prop` no. of equivalent R.S So stability order is
`Me-underset(3-eq.R.S)underset(O)underset(||)overset(O)overset(||)S-O^(Ө)gtMeunderset(2-eq.R.S)overset(O)overset(||)C-O^(Ө)gtMe-O^(Ө)`
So Acidic, strenght order is `xgttgtz` so `pK_(a)` is `zgtygtx`

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