Of `PH_(3)` and `H_(2)S` which is more acidic and why ?

1.	Of `PH_(3)` and `H_(2)S` which is more acidic and why ?
Answer» `H_(2)S` is acidic because S is the more electronegative than P. This results in the S-H bond oecoming more polar than a p-H bond, and thus easier to remove.

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(i) Arrange the following compounds in an increasing order of basic strength : `C_(6)H_(5)NH_(2), C_(6)H_(5)N(CN_(3))_(2), (C_(2)H_(5))_(2)NH and CH_(3)NH_(2)` (ii) Arrange the following compounds in a decreasing order of `pK_(b)` values: `C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3), (C_(2)H_(5))_(2) NH and C_(6)H_(5)NH_(2)`
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Of `PH_(3)` and `H_(2)S` which is more acidic and why ?

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