MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenPreparation of Dihydrogen
If a mole of hydrogen molecule is heated to a high temperature, then which of the following reaction take place ? (a) 2 g g g H 436kJmol H H -> (b) 2 g 2 g 2H 820kJmol 2H -> (c) 2 g 2 g g g H H 436kJmol H H -> (d) 2 g g g H 200kJmol H H ->
Answer
A
Explanation
The amount of energy given in the reaction is 436 1 / KJ mol is the bond dissociation energy. Therefore, dissociation of H-H bond takes place.
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