1.

Bond dissociation enthaply of the first H-S bond inhydrogen sulphide is 376 "Kj"//"mole". The enthalpies of formatin of H_(2)S(g)and S(g) are-20.0and277.0 "kj"//"mole" respectively. The enthalpy of formation of gaseous hydrogen atomis 218 "Kj"//"mole". Using above information, answer following questions : The bond disscociation enthalpy of the free radical HS is :

Answer»

`138kJ//"MOLE"`
`276kJ//"mole"`
`357kJ//"mole"`
`376kJ//"mole"`

ANSWER :C


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