Recent questions tagged organic-chemistry

In the below reaction X and Y are respectively

asked Mar 4, 2014 by sreemathi.v

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Which of the following reaction is correctly formulated?

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How many structural (including stereoisomers ) isomers could be obtained by replacing one hydrogen of propene with chlorine ?

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Which of the following statement is correct?

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Which of the following will not give coloured dye with benzene diazonium chloride?

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How many chiral carbon atoms are present in $2,3,4$ trichloropentane ?

asked Mar 4, 2014 by meena.p

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The number of optical isomers formed hydrogenation of the compound, $(CH_3)_2C = CHCH_3$ are :

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What would be the major product of the following reaction

asked Mar 4, 2014 by sreemathi.v

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Diazo compounds,sometimes donot respond Lassaigne's test for nitrogen because

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Identify Z in the following sequence of reactions

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Identify the end product in the following sequence

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In the below reaction the product is

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What would be the major product in the following reaction

asked Mar 3, 2014 by sreemathi.v

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The structure of $H_2C = C = CH_2$ is /has

asked Mar 3, 2014 by meena.p

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Absolute alcohol is prepared by

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Which of the following orders regarding the basic strength of substituted aniline is correct

asked Mar 3, 2014 by sreemathi.v

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An organic molecule necessarily shows optical activity if it

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Arrange the compounds shown below in order of decreasing basicity (most basic first)

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Which of the following compounds will exhibit geometrical isomerism ?

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What would be the products in the following reaction:

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One among the following pairs of compounds is not isomers:

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Refer the below diagram :

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What would be the reagents for below reaction?

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The major product formed in the reaction given below is

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The formation of cyanohydrin from a ketone is an example of

asked Mar 3, 2014 by meena.p

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Optical isomerism arises from the presence of

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What could be the product for the following reaction?

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How many optical isomers are possible for the compound abdc - cabd?

asked Mar 3, 2014 by meena.p

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Which of the following correctly represents the $+I$ effect of the substituents :

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A chemist has treated P-chloroaniline with acetic anhydride and wants to separate the amine product from any unreacted amine which reagent used for separation based on the basicities of the two compounds.

asked Mar 3, 2014 by sreemathi.v

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In the following compounds the order of basicity is

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Inductive effect involves

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A tertiary amine can be separated from a mixture of primary and tertiary amine using

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When the below one is heated with 1 equivalent of $CH_3NH_2$ then the product is

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Refer the below is expected to be

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In Hofmann degradation of amide Me the important step is the migration of

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Which of the following is true regarding basic character of pyridine and pyrrole?

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Which of the following statements is correct?

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The major product obtained on heating of below is

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In the reaction : $ CH_3CHO +HCN \longrightarrow CH_3CH(OH)CN$ a chiral centre is produced . This product would be :

asked Mar 3, 2014 by meena.p

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The correct order of basicity of below is

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Which of statement is correct regarding the basicity of the following two primary amines?

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Which one of the following does not have $SP^2$ hybridized carbon ?

asked Mar 3, 2014 by meena.p

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Which of the following is most stable

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In the below reaction

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A compound with empirical formula $CH_2O$ has a vapour density of 30. Its molecular formula is

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What would be the major product of the following reaction

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Which of the following statement is correct?(Here $R=CH_3$)

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Which of the following is least reactive in a nucleophilic substitution reaction ?

asked Mar 3, 2014 by meena.p

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$CH_3Br +Nu^{-} \longrightarrow CH_3 -Nu +Br^{-} $ The decreasing order of the rate of the above reaction with nucleophiles $(NU)$ A to D is $[Nu^{-}=\quad (A)\; Pho^{-},\;(B)\;AcO^- ,\; (C)\; HO^{-},\; (D)\;CH_3O^{-}]$

asked Mar 3, 2014 by meena.p

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