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# NSEC-2016

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Note by Vitthal Yellambalse
5 months ago

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Cut off depends on state , which state are you from ?

Like from my state ( Chattisgarh ) 5 - 6 are selected based on the criteria of ratio ( no. of people selected from a state is proportional to the no. of people giving test ).

What's your expected score ? (Allen and Resonance answer keys are out) · 5 months ago

Yup right. from my state UP last year NSEP Cutoff was only 85 due to large size of state and Many many people appear (there were more than 3-4 centres in my city itself) · 5 months ago

I cross checked with Allen solutions, I am getting around 180-190. · 5 months ago

Honestly i found allen keys to contain some errors so didn't checked with it · 5 months ago

How much are you getting in NSEC? · 5 months ago

N There was one more problem about chiral centres . in that shouldn't KOH Be 56 gm because once OH- Will attack at ester it will result in the formation of carboxylic acid and then oh- will again take acidic hydrogen from acid and doesn't the reaction Of NH3 With H2S Gives NH4HS?

That's true. I checked resonance's and am getting around 200. · 5 months ago

you gave NSEP And NSEA? Are you preparing for JEE? · 5 months ago

from resonance i am getting about 175 . still i feel some keys are wrong in that too.

Like that solubility one in which they are not taking H+ From water into account , rate one in which concentration becomes 10% of initial and 2-3 more

What are your views · 5 months ago

I agree many solutions seem to be different than what I expected. About the ammonium sulphide question, wikipedia says that it exists as both $$NH_{4}HS$$ and $$(NH_{4})_{2}S$$. So I think the answer where sulphur's composition in unknown might be correct. Either way, official solutions come out on 5th December. · 4 months, 4 weeks ago

N There was one more problem about chiral centres . in that shouldn't KOH Be 56 gm because once OH- Will attack at ester it will result in the formation of carboxylic acid and then oh- will again take acidic hydrogen from acid and doesn't the reaction Of NH3 With H2S Gives NH4HS? · 5 months ago