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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2004
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If the bond energies of H–H, Br – Br and H –Br are 433, 192 and $-364\; kJ\; mol ^{–1}$ respectively the $\Delta H^o$ for the reaction $H_2(g)+Br_2(g)\to 2HBr(g)$ is-


( A ) –103 kJ
( B ) –261 kJ
( C ) +261kJ
( D ) + 103 kJ

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