Recently Active Organic Chemistry Questions

PLZ EXPLAIN THESE ------"in combustion the quantity of heat produced re related to the strength of the bonds in reactants and alsi in case of products" can u give the order relation ...

what are the possiblle waysto prepare ester?????????????? ...

how many moles of periodate is used in oxidation of 1. glucose 2. fructose i.e. how many bond lceavages will occur????? ...

I asked this same question about 7 months back..Didnt get a reply Asking again..... In case of 2,4-dinitoalkylbenxene ,if NH4HS or Na2S is used as reducing agent,nitro group at para position is reduced ,while if SnCl2/HCl is ...

acetone+conc. H2SO4 +uric acid=??????????? ...

Q1 which compound is most easily deformylated? a) α-keto ester b) α-keto acid c) 1,1 dicarboxylic acid d) β-keto ester Q2 which is the most effective solvent for methyl iodide with azide ion (N3-)? a) DMF b) DMSO c) -OH d) ...

how much faraday needed to electrolyse NO2 ...

Which is better to form epoxide, Perchlorobezoic acid or hydrogen peroxide? ...

( 9 ) Which of the following are ortho - para directing ? A ) NR2 B ) Ccl3 C ) Br D ) NHR ( 16 ) When Benzene is treated with isobutyl bromide in the presence of Alcl3 It mainly gives????????? A ) Tertiary butyl benzene B ) I ...

Benzene is obtained from benzene diazonium chloride by the A)Reaction with alkaline Stannous chloride B)Action of Hypophosphorous acid C)Action of ethyl alcohol GIVE MECHANISM FOR ALL THE 3 REACTIONS ??????? ...

ROH + bleaching powder -----> Phenol + CS2 ---> Phenol + CCl4 ----> for the 1st rxn i think the product will b aldehyde + CaCl2 +H20..pls confirm. ...

*Image* +Cl2→ ??? temp=800K At high temp,allylic substitution takes place na ?? plz confirm ...

*Image* ...

Q1 tell me if these named reactions in syllabus or not ?? a) Dieckman Reaction b) Malonic ester synthesis c) Acetoacetic ester synthesis Q2 also tell me what happens when ketones are treated with RONa/heat where R is alkyl gr ...

which carbocation wont for m intermediate? *Image* ...

Product of reaction of HO-CH2-CH2-CH2-CH2-OH with H+ is ??? ...

why doesn't acetic acid respond to haloform test ?(you can also consider why acetamide and acetyl chloride don't respond to this test though all have keto methyl groups ) ...

Dipole moment in aromatic system can any 1 could explain? THANKS in advance ...

in an experiment performed by X and Y for measurement of optical activity . X found it was d form with +30 rotation Y found it was l form with -150 rotation How can the dispute be solved ?? its not my doubt ..[1] ...

1) Provide the products of the reaction of the substrate ClCH2OCH2CH3 with NaNO2 in EtOH. Also pls explain the logic behind the formation of the products. 2)Pls draw the structures of the following compounds for me. (i)cyclop ...

Q. How can the polarisation of 'acrolein' be written ? CH2=CH -CH=O ( here the middle dash is the single bond ) ...

*Image* Ques1) For the above pair of structures, identify the relation b/w them. Are thay enantiomers, diasterioisomers, structural isomers, or two molecules of the same compound? Ques2) *Image* How many optical active forms ...

*Image* Is the compound opticaly active?? ...

hello, can someone please explain to me the order of the basicity of the following compounds: ortho methyl aniline meta methyl aniline para methyl aniline if we make the conjugate acids we'll find that ortho is the most stabi ...

This thread dedicated to some good conversions in organic chemistry...Hoping for healthy debate Q1 *Image* ...

A: Aldehydes and ketone give nucleophilic addition reactions with carbon,oxygen,nitrogen and sulphur nucleophiles R: Sulphite ion is ambident nucleophile ...

an aldoheptose has x stereoisomers and a ketoheptose ha y Find x/y the answer is not 2/1 ...

Under thermodynamic control what would be major product *Image* ...

*Image* ...

which is stabler a)aryrl carbocation b)vinyl cabocation For the aryl carbocation , there are 2 reso structure posible for it and there even no hyperconjugation for vinyl carbocation.So aryl must be stabler But in the most rec ...