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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2003
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On the basis of the information available from the reaction : <br> 43Al+O223Al2O3,ΔG=827KJmol1 of O2, the minimum e.m.f required to carry out electrolysis of Al2O3 is (F=96500Cmol1)


( A ) 6.42 V
( B ) 4.28 V
( C ) 8.56 V
( D ) 2.14 V
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