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Arrange the following compounds in decreasing order of acidity. H_(2)O,ROH,HC-=CH |
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Answer» SOLUTION :A STRONGER acid displaces a weaker aciid fromm its SALT, since `H_(2)O` displaces ROH from RONa and both `H_(2)O` and ALCOHOL displace acetylene from sodium acetylide, therefore, water is the strongest, followed by alcohol while acetylene is the weakest acid. in other words, acidity decreases in the order: `H_(2)O gt ROH gt HC-=CH` `underset("Stronger acid")(H_(2)O)+underset("Sod. alkoxide")(RONa)to underset("Weaker acid")(R-OH)+NaOH` `underset("Stronger acid")(H_(2)O)+underset("Sod. acetylide")(HC-=CN a)to underset("Weaker acid")(HC-=CH)+NaOH` `underset("Stronger acid")(ROH)+underset("Sod. acetylide")(HC-=CN a)to underset("Weaker acid")(HC-=CH)+RON a` |
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