1.

The correct order of increasing strength of compounds (1) CH_(3) COOH ""(2) NO_(2)CH_(2)COOH (3)CF_(3) COOH""(4) C_(2)H_(5) - COOH

Answer»

`4 GT 3 gt 2 gt 1`
` 3 gt 2 gt 1 gt 4`
` 3 gt 1 gt 2 gt 4`
` 3 gt 4 gt 2 gt 1`

ANSWER :B


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