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		whats the mechanism?? *Image* ... 
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		What is disiamyl borane and DBN? ... 
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		Why is pyridine used in the reaction of R-OH + PCl3 to make R-Cl? ... 
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		What explains the fact that methanol reacts with HX faster than a primary alcohol? ... 
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		what is the mechanism for the intramolecular wurtz reaction? ... 
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		Whats products we obtain when ethyl propanoate reacts with C6H5MgBr then H2O + NH4Cl? Please so the mechanism ... 
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		In the following compounds, *Image* The order of basicity is a) IV > I > III> II b) III > I > IV > II c) II > I > III > IV d) I > III > II > IV ... 
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		What is the mechanism of the reaction- Na+C- *Image* C-Na++2CO2→Na+O-OCC *Image* CCOO-Na+ ... 
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		3)Which of the following statement is wrong? a the IUPAC name of alkenes ends with suffix –ene b the IUPAC name of alkynes ends with suffix –yne c the substituents gets lower number in comparison to functional group d the ... 
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		Why is cyclopropane forming from an alkene in Simmons Smith reaction? Isn't dat increasing d strain...i mean isn't d product more unstable dan d reactant???? Heres wat i got for d reaction mechanism... *Image* ... 
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		My first question is how bond angle is related to pKa values of a compound....Heres d question Q1. Selected bond angles for five hydrocarbons are shown below. Arrange these hydrocarbons according to their pKa values, from low ... 
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		*Image* The answer is B......ok dats fine dat a cabocation will form so it prooceeds in forward direction....but wouldn't d C option should also be correct......Why we r not accounting for d resonance stabilisation of RCOO-?? ... 
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		What is the difference between regiospecific and regioselective; and stereospecific and stereoselective? ... 
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		Why are beta keto acids unstable? Or the other way round....Why do beta keto acids undergo decarboxylation easily? Can't just find a good reason for this..... ... 
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		Convert ethanal to cyclohexylcarbaldehyde ... 
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		Dehydrobromination of A and B yield the same compound alkene C. C can regenerate A and B by addn of Hbr in the presence and absence of peroxide. 1,2 diphenyl ethane is obtained on reaction of C in presence of H+. Give structu ... 
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		Convert ethanol to 2 methoxy propane ... 
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		what is the structure of elaidic acid ... 
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		1. Why does 2-dimethyl sulphonium butane in a base( ethoxide in ethanol) produces 74% 1-butene (hofmann) and 26% 2-butene (Saytzeff) ?????????????? 2. Why does 2- trimethyl ammonium butane in base(hydroxide in water) produces ... 
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		How much volume of air will be needed for complete combustion of 10 lit. ethane? I'm getting the answer as 35 but the answer given is 175 lit. ... 
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		jee advanced paper 2 *Image* ... 
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		1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ... 
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		Why are ketones more polar than aldehydes? Shouldn't it be the other way round as ketones have 2 e donating species which reduce their polarity to a larger extent? ...