MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCarboxylic Acids and DerivativesCH CH CH Cl CO H
Arrange the following acids in the decreasing order of the acidic strength. HC C COOH I ,C H COOH II , CH CH COOH III ,CH COOH IV Choose the correct option.
A.I > II > III > IV✓ Correct
B.I < II < III < IV
C.I > III > II > IV
D.I > IV > III > II
Explanation
Acidity increases as the electronegativity of the carbon atom directly attached to –COOH group increases, or the hybridization of the carbon atom directly attached to COOH changes from 3 2 sp sp sp. -> -> The acidic strength decreases in the order I II III IV
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