The bond energy of H_2 is 436.4 kJ . This means that

MHT CET Chemistry question

The bond energy of is . This means that

(A) of heat is required to break one bond of molecule to give two atoms of hydrogen
(B) of heat is required to dissociate molecule of to form H atomsCorrect
(C) of heat is required to dissociate molecules of hydrogen
(D) of electrical energy is required to dissociate molecule of to form and ions

Answer: (B)

Bond energy is the heat needed to break one mole () of bonds, i.e. to dissociate one mole of into gaseous atoms;

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Question ID VK-064057