Recently Active Organic Chemistry Questions

which of following is/are correct? 1.bromination of p-nitrotoluene in presence of iron gives 2-bromo-4-nitrotoluene 2.nitration of m-xylne gives 2,4-dimethyl-1-nitrobenzene 3.sulphonation of p-tert-buttyltoluene gives 5-tert- ...

wat is resonance energy basically?? n there is no difference between canonicals n resonating structures ryt?? ...

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1)RCOCl +N3H/Δ/H2O → 2) *Image* + Cu2+/O2 → ...

*Image* can anyone give detailed discussion about the chira;ity and etc of this above structure?? the mid carbon is not chiral centre coz of 2 H atoms....now... will the structure be chiral? and discuss about the diastereomer ...

A sample of a pure liquid in a 10 cm tube is placed in a polarimeter and a reading of +45° is made... How could u establish that [α] is +45° and not -315° ? or how would u establish that [α] is +45° and not +415° or fo ...

Q: why is sulphuric acid not used during reaction of alcohols using KI?? umm....generally we use it like: R-OH + NaBr + H2SO4 ----> R-Br + NaHSO4 + H2O!! ...

Which is not the functional isomer of molecular formula C 4 H 8 O ? *Image* ...

plz explain me how 2 give the bond line representation of compounds.Explain it with the help of examples. Also tell me the meaning of solid & dashed wedge formula. ...

Both calculations and experimental evidence indicate that the dihedral angle beetween the methyl groups in the gauche conformation of n-butane is actually somewhat larger than 60°. How would you account for this? src: morris ...

in the BrF5 question the asked the number of F-Br-F bonds having 90 degree angle many say 0 many say 8 but i think answer must be 4 because of the lone pair distortion the four F in the corners of square are going to be eleva ...

*Image* where the hell did the H of OH and the other O of NO2 disappear? Mr. India or what? src: NCERT CHEM class 12 PART-2 ...

between elimination reaction and nucleophilic substitution reaction which one requires highest activation energy for the reaction to take to place?? and why?? ...

Edited : http://www.scribd.com/doc/28349866/Alkyl-Halides-My-Notes A scribd link is better :P Name of topic says it all...govind asked me to post here for the greater good of studentkind :P Kindly rate the document if you rea ...

We all know that a chiral carbon is one attached to four diferent groups. 1.Suppose in a compound CH2Cl2 the two hydrogen atoms are isotopes protium and tritium,and two chlorine atoms are isotopes 35.5,37 will we say that is ...

*Image* please explain!![1][1] ...

I've noticed that recently not too many questions have come on this forum. You want AIEEE practice? You're gonna get it. Try this. I got it from Yahoo Answers(answered it myself there). A chemist allows some pure (2S, 3R)-3-b ...

what is the major monohalo product[7][7] *Image* ...

1. What characteristic of a carboxylic acid gives the molecule a much higher boiling point than many other molecules of similar molecular weight? 2. The carboxyl group (R-COOH or R-CO2H) is one of the two functional groups th ...

Ques. Which of the following is incorrect for the reaction? *Image* 4th option C IS *Image* ...

which of the following behaves as (a) a nucleophile (b) an electrophile (c) both or (d) neither? Cl minus , NO plus , H2O , CH3Oh , CH4 , CH2O , CH3CN , CH3CH=CH2 , AlCl3 , BeCl2 , Cr plus3 , H2 and SnCl4... pls classify and ...

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*Image* aieee aspiants can also try their hand ...

which is more stable carbene......singlet or triplet....explain with reason!!! ...

1..are these positional or functional isomers -Ph-OH and Ph-CH2OH...give explanation ...

Not to be outdone by Manmay's and Anand's excellent threads, I am making a thread for organic reagents. Post as many as you can! I begin with the chapter alkyl halides. You may continue it or post the functions of other reage ...

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CARBOCATION FORMATION STABILITY ORDER?????? a b c d e CH3-CH=CH-CH2-CH3-(CH3)2 ...

*Image* Predict the product(actually which is not tough....i was too lazy to draw i) and give the mechanismt. ...

plz rpely ASAP *Image* ...