Q. The incorrect order with respect to the acidic strength is

 2049  181 Uttarkhand PMTUttarkhand PMT 2009 Report Error

Solution:

Usually presence of electron withdrawing groups such as etc increases the acidic strength and presence of electron releasing groups such as etc decreases the acidic strength. Aromatic compounds are more acidic than their corresponding aliphatic compounds due to resonance stabilisation. Hence, the correct order of acidic strength is

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