Chemistry - GOC Question with Solution | TestHub
ChemistryGOCBond Length, Strength, Cleavage, Rotational Energy BarrierEasy2 minQB
ChemistryEasysingle choice
Compare the bond lengths of the indicated C=O bonds in the given compounds :
(A) 
Options:
Answer:
B
Solution:
More conjugation with C=C moves electron density onto oxygen and lowers the double-bond character of C=O, which makes it longer. Compound c has two C=C groups conjugated with C=O, a has one, and b has none. So c a b.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Bond Length, Strength, Cleavage, Rotational Energy Barrier
⏱ 2mℹ️ Source: QB
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