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Question
The bond dissociation energies of the following CH3−HICH3CH2−HII;CH2=CH−CH2−HIIIC6H5−HIV vary in the order of:
The bond dissociation energies of the following CH3−HICH3CH2−HII;CH2=CH−CH2−HIIIC6H5−HIV vary in the order of:
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Solution
The correct option is C IV > I > II > III
The bond dissociation energy will be maximum for benzene which is given in sructure IV. This is because it stabilizes itself by resonance. It will be minimum for propene.Thus, order of the bond dissociation energy is given by option C.
The bond dissociation energy will be maximum for benzene which is given in sructure IV. This is because it stabilizes itself by resonance. It will be minimum for propene.
Thus, order of the bond dissociation energy is given by option C.
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