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Order of decreasing acidity of
(I) HCOOH `" " (II) CH_(3)CO OH`
(III) `Cl_(2)CHCO OH" " (IV) CF_(3)CO OH` is
A. IVgtIIIgtIIgtI
B. IVgtIIIgtIgtII
C. IIIgtIVgtIIgtI
D. IgtIVgtIIgtIII

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Correct Answer - 2
(IV) `CF_(3)CO OH gt (III) Cl_(2)CHCO OH gt (I) HCO OH gt (II) CH_(3)CO OH`

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