Recently Active Organic Chemistry Questions

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Choose correct statement 1. All diastereomeric centres are stereogenic centres 2.Cis-trans isomers contains stereogenic centres 3. Gauche form of ethylene glycol is more stable than staggared form 4. Enantiomers contains ster ...

1. Which element is the member oh 'hydride gap' ?? A. Zn B. Sc C. Fe D. Cr 2. Chlorosis is due to presence at A. Sulphur B. SO2 C. N2 D. O3 ...

Identify A,B & C in the following Conversion - *Image* ...

*Image* 1st is hydroboration oxidation 2nd is oxymercuration-demercuration ...

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*Image* Bring about this conversion in 2 steps. ...

*Image* WHAT IS THE PRODUCT? ...

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*Image* → *Image* + *Image* Reagent used are con.HNO3+Con.H2SO4 Which is a major of the products? ...

An unknown alcohol gives blue ppt. in Victor Meyer's test.The no. of alpha H atoms in alcohol are ___ ? They gave the ans as 1,,saying R2CH-OH has one alpha H .. they have taken the underlined carbon to be alpha carbon,,but t ...

*Image* + Cl2/hu ---> ...

http://www.goiit.com/posts/list/organic-chemistry-very-imp-pls-reply-989840.htm accha laga., so posted ...

can ny1 plz tel me when neo & iso is used in nomenclature??? & wats quaternary carbon? :0 ...

Ques) Among the following, the compound which does not forms a white precipitate on treatment with NaI in acetone is :- (a) CH3 CH2 I (b) CH3 CH2 C l (c) Ph CH2 C l (d) CH2 = CH - CH2 C l C l dentoes chlorine ...

An unknown alcohol gives blue ppt. in Victor Meyer's test.The no. of alpha H atoms in alcohol are ___ ? They gave the ans as 1,,saying R2CH-OH has one alpha H .. they have taken the underlined carbon to be alpha carbon,,but t ...

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do SNngp is applied fo rgroups on adjacent n carbons only? ...

plzz help rohit ...

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To prepare anisole, which is the best path :- *Image* It can't be the first one bcoz c -Br bond is stable due to resonance hence nucleophilic attack is not preferred. But what abt the second and third reactions ????? ...

what will be the product when phenol is treated with nitrous acid??.. Plz tell the mechanism also.. ...

Write the type of R-S configuration of the following compounds ..... *Image* ...

no i am not talking abt the holllywood movie... here are two transformtaions... carry them out using proper reagents *Image* ...

i was searching abt the reactions of grignard reagent in the net.I got these pics. *Image* *Image* *Image* u can see more mindmaps here http://images.google.co.in/images?rlz=1C1GGLS_enIN321IN321&sourceid=chrome&q=grignard+rea ...

*Image* Can this give positive test with 1) NaHCO3 & 2) NaNO2 / H c l , β -napthol / OH- ONE OR MORE THAN ONE OPTION MAY BE CORRECT ...

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Q1 *Image* Q2 Does *Image* give Iodoform Test? [questio edited.. see below] Q3 Give mechanism for - *Image* ...

When HOCl is added to CH *Image* CH , CH2Cl *Image* CHO is formed. But how is HOCl added to CH3C *Image* CH ? I'm not sure about propyne as it is unsymmetric and whether Markonikoff's rule is used or not. How is this reaction ...