MHT CET Chemistry question

Chemistry Thermodynamics MHT CET

Bond energy of hydrogen gas is kJ. How much is the bond dissociation energy of 0.5 mole of hydrogen gas? [MHTCET 2005]

(A) kJ
(B) kJ
(C) kJ
(D) kJCorrect

Answer: (D)

Solution

Bond dissociation energy equals the magnitude of bond formation energy with opposite sign, so for 1 mol it is kJ and for 0.5 mol it

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Question ID VK-064846