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Arrange the following is decreasing order of their acidic strength. Give explanation for the arrangment. C_(6)H_(5)COOH,FCH_(2)COOH,NO_(2)CH_(2)COOH. |
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Answer» SOLUTION :Due to the presence of +ve charge on the nitrogen atom of `NO_(2)` group, the I-effect of `-NO_(2)` group is much stronger than that of F. therefore, `O_(2)NCH_(2)COOH` is a stronger acid than `FCH_(2)COOH`. `C_(6)H_(5)` group, on the other HAND, has a WEAK -I-effect and hence `C_(6)H_(5)COOH` is a weaker acid than both `FCH_(2)COOH` and `NO_(2)CH_(2)COOH`. thus, the overall acidic STRENGTH decreases in the order: `O_(2)NCH_(2)COOH gt FCH_(2)COOH gt C_(6)H_(5)COOH`. |
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