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42.Given that bond energies of h-h and cl-cl are 430kj mol-1 and 240 kj mol-1 respectively and delta hf for help is - 90 bond enthrall of HCF is

Answer» 42.Given that bond energies of h-h and cl-cl are 430kj mol-1 and 240 kj mol-1 respectively and delta hf for help is - 90 bond enthrall of HCF is


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