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Write the structure of para toluic acid...

Write the structure of para toluic acid

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The correct Answer is:
B
`H_(3)PO_(3)rarr2H^(+)+HPO_(3)^(2-),Delta_(r)H=?`
`2H^(+)+2OH^(-)rarr2H_(2)O,`
`Delta_(r)H=-55.84xx2=-111.68`
`-106.68 = Delta_("iron")H-55.84 xx2`
`Delta_("iron")H=5` kJ/mol
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  3. Write the structure of para toluic acid

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