JEE MAIN - Chemistry (2005 - No. 35)
The highest electrical conductivity of the following aqueous solutions is of :
0.1 M acetic acid
0.1 M chloroacetic acid
0.1 M fluoroacetic acid
0.1 M difluoroacetic acid
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Thus difluoro acetic acid being strongest acid will furnish maximum number of ions showing highest electrical conductivity. The decreasing acidic strength of the carboxylic acids given is difluoro acetic acid $$>$$ fluoro acetic acid $$>$$ chloro acitic acid $$>$$ acetic acid.