1is B = benzene ?
110 Answers
1eurekaaaaaaaaaaa
give koi jawab!!
well for q.2)
i am getting something very stupid .... posting .. 2mins..
24i dont have the ans for 1st and 3rd........i am still pondering over them[7][7],,,,,,,and sky ur ans for 2nd is rong.........all the structures are rong....[2][2][2]
21oh k... keep pondering........
wen u get 1 tell me wether it matches wid mine :) or :(
1For Q3.
sorry for poor drawing but i think thats diel alder reaction plz repl
1sab rong hai ???
saare ??
eh tum apna ans batao na zara .... kaise sab wrong hai [12]
24yaar pehla structure hi rong hai to baki sab kaise theeek honge?????[2]
1q2)i guess pehele acetal (or hemi acetal) abnega wich will protect d ketone n then peroxide will add in trans way (sorry if thats wrng may seem quite dumb ......)
24haan haan mr abhishek[3][3]..........lagta to hai diels alder hi hoga ...........lets see if bhaiya can help.....[2][2]
39how can hemiacetal or acetal can form in presence of acid? areh we use acid to remove acetals na.
1i guess tapan's answer is rite
evn though ter is steric hindrnce they can arrnge themselves so as to get d product :)
24maine kaha naa bhai......q1 aur q3 ka ans nahin hai mere paas......[2][2]
39hey udhar 1st waale tapan ke answer maintoh 3 degree alcohol hain na, woh h2so4 daalne par dehydration kyun nahiin gaya?
1eureka second wale mein first product mein ketone ja ra hai kya?
21sahi baat hai mathie!! par agar thoda heating hota to pukka dehydrate hota
but i feel the qeustin shud hav specified the qty. and concentreaion of H2SO4
39areh integrations that was wat i asked in my post 16.
how can this form in presence of H+.
we use H+ to remove this na.
39and by the way we use acetals for protecction against alkali`s na.
eureka once check wether u have kept H+ at right place.
1kyun answers hai kya aise koi .arey jo manna hai man le :P
btw itz A :S