Arrange the following in increasing order of acidic strength I. `H_(2)SO_(4)` II. `(CH_(3))_(3)CH(SH)` III. `CH_(3)CH_(2)^(+)OH_(2)` IV. `CH_(3)CH_(2)
Arrange the following in increasing order of acidic strength
I. `H_(2)SO_(4)`
II. `(CH_(3))_(3)CH(SH)`
III. `CH_(3)CH_(2)^(+)OH_(2)`
IV. `CH_(3)CH_(2)CH_(3)`
A. `IV lt II lt I lt III`
B. `IV lt II lt III lt I`
C. `IV lt I lt II lt III`
D. `IV lt III lt II lt I`
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Correct Answer - A
Acidic strength depends upon the tendency of a `molecule_(+)` to give a proton. Amond the given `CH_(3)CH_(2)OH_(2)` readily gives a proton so it is highly acidic `CH_(3)CH_(2)CH_(3)` has the least tendency to lose a proton, so its acidic strength is least among the given. thus the correct order of acidic strength is
`IV lt II lt I lt III`
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