JEE ADVANCED 2021 theoretical revision

I Will try to use this topic to provide some generally known and some unknown facts, and most importantly, some theory which we know but generally unaware which converts positive marks to negative.
This will cover my notes copy from JEE ADV. papers that now has almost 1000 such points and that number is increasing.
specifically, this thread will include mechanisms of some known reaction, some direct chemistry facts etc.

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I’ll begin in the evening,
I’ll try to cover daily 10-15 points.
simple and short daily revision, there will be i guess many things which you know but let’s revise.
anybody can contribute if he wishes to.

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i’ll try with KINETIC ISOTOPIC EFFECT (Many of you would know it but nvm)
so might come across it in some of the organic reaction where H is replaced by D or T
so it just predicts that the reactivity of H > D (you might say that is due to weaker C-H bond which is partially correct)
So finally reaction which follow these effect show various rate for various isotopes (eg Sulphonation)
while the one who don’t follow it show same rate for both isotope (eg Nitration)
relavance: might be relevant as i got a question from it in AITS and Score…
useful reference: https://youtu.be/1gU2aluprdg
try this


ans is A

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d orbital resonance

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Going for a test, will add more later

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Dont forget SUSPENSION

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image

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