Question

what is bond dissociation enthalpy

Answer 1

Its is the energy required to break the chemical bond.

Answer 2

HELLO FRND. . .
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THE BOND DISSOCIATION ENTHALPY..
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It is the necessary energy to break a mole of specific bonds.

For example, when CH4 is divided into CH 3 + H range is broken, so it requires a different amount of energy than to say when 'piece' CH CH2 and H-3.

Notice that the product is only the pieces that occur when the vessel breaks.

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THANK YOU

@SRK6