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Simun Mishra posted an Question
July 31, 2020 • 14:14 pm
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30 points
30 points
- IIT JAM
- Chemistry (CY)
How can here sir steric inhebitation of resonance used..?
2 Answer(s)
Answer Now
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Dinesh khalmaniya 1
in this question there is no ortho effect, no resonance due to steric repulsion of bulky groups, and no hyperconjugation so option A,C,D are wrong
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Dinesh khalmaniya 1
SIR simply mean resonance inhibition. so any reason which inhibit the resonance included in SIR effect. so it may be due to bulky groups present on 1,2,3- position of benzine ring or due to ortho effect or any stereic repulsion which inhibit resonance
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Dinesh khalmaniya 1
got it now??😊
sir pls check the pic I have send
I've checked
that is not SIR ?
yes, check my explanation where i said everything which inhibit resonance is the SIR
i.e, Ortho effect is also an SIR
so don't be confused.
here in this question there is no resonance due to steric repulsion of bulky groups so it is SIR
ok sir