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Arrange the following in decreasing orde...

Arrange the following in decreasing order of their acidic strength. Give explanation for the arrangement.
`C_(6)H_(5)COOH, FCH_(2)COOH, NO_(2)CH_(2)COOH`

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The decreasing order of their acidic strength
`NO_(2)CH_(2)COOHgtFCH_(2)COOHgtC_(6)H_(5)COOH`
Acidic strength decreases as the number of electron withdrawing substituent(s) linked to `alpha`-carbon atom or carboxylic group of carboxylic acid decreases. Electron withdrawing ability of `NO_(2), F" and "C_(6)H_(5)` are as follows
`-NO_(2)gt-FgtC_(6)H_(5)-`
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NCERT EXEMPLAR-ALDEHYDE, KETONES AND CARBOXYLIC ACIDS-Aldehyde, Ketones And Carboxylic Acids
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  12. Match the acids given in Column I with their correct IUPAC names given...

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  13. Match the reactions given in Column I with the suitable reagents given...

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  14. Match the example given in Column I with the name of the reaction in C...

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  16. Assertion (A) compound containing -CHO group are easily oxidised to co...

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  19. Assertion (A) Aldehydes and ketones, both react with Tollen's reagent ...

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  20. An alkene 'A' (molecular formula C(5)H(10)) on ozonolysis gives a mixt...

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