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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2007
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Given that bond energies of $H-H$ and $Cl-Cl$ are 430 $kJ mol^{-1}$ and 240 $kJ mol^{-1}$ respectively and $\Delta_f H$ for $HCl$ is -90 $kJ mol^{-1}$. Bond enthalpy of $HCl$ is :


( A ) 290 $kJ mol^{-1}$
( B ) 425 $kJ mol^{-1}$
( C ) 245 $kJ mol^{-1}$
( D ) 380 $kJ mol^{-1}$

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