Chemistry - GOC Question with Solution | TestHub

ChemistryGOCBond Length, Strength, Cleavage, Rotational Energy BarrierMedium2 minQB

ChemistryMediumsingle choice

Arrange the following bonds in order of increasing C-C bond strength.

structure

Options:

Answer:

Solution:

Bond i breaks to give a benzyl radical (resonance-stabilised), so it is the weakest. Bond ii gives two primary alkyl radicals. Bond iii gives a methyl radical, which is the least stable of these, so it is the strongest.

Increasing order : i $<$ ii $<$ iii.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:Bond Length, Strength, Cleavage, Rotational Energy Barrier

⏱ 2mℹ️ Source: QB

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