Recent questions tagged hydrocarbons

The major product obtained from E2-elimination of 3-bromo-2-fluoropentane is

$\require{mhchem}\ce{CH3CH2CH=CH2->[\ce{B2H6}][\ce{H2O,H2O2,OH-}]Z}.$ What is Z? (1) $\ce{CH3CH2CH2CH3}$ (2) $\ce{CH3CH2CH2CH2OH}$ (3) $\begin{array}{c}\ce{CH3CH2CHCH3}\\\quad|\\\quad\ \ \ \ce{OH}\end{array}$ (4) $\ce{CH3CH2CH2CHO}$

Which of the following is a free radical substitution reaction? (1) Propene with HBr/(C6H5COO)2 (2) Benzene with Br2/AlCI3 (3) Acetylene with HBr (4) Methane with Br2/hv

Which of the following compound is most reactive in electrophilic aromatic substitution?

With respect to the conformers of ethane, which of the following statements is true? (a) Bond angle changes but bond length remains same. (b) Both bond angle and bond length change. (c) Both bond angle and bond length remain same. (d) Bond angle remains ...

Predict the correct intermediate and product in the following reaction :$\require{mhchem}$ $\ce{ CH3-C#CH ->[\ce{H2O,\ H2SO4}][\ce{HgSO4}] \underset{(A)}{Intermediate} -> \underset{(B)}{Product} }$

Which one is the correct order of acidity?$\require{mhchem}$ (a) $\ce{ CH#CH > CH3-C#CH > CH2=CH2 > CH3-CH3 }$ (b) $\ce{ CH#CH > CH2=CH2 > CH3-C#CH > CH3-CH3 }$ (c) $\ce{ CH3-CH3 > CH2=CH2 > CH3-C#CH > CH#CH }$ (d) $\ce{ CH2=CH2 > CH3-CH=CH2 > CH3-C#CH > ...

An alkene "A" on reaction with O3 and Zn–H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

The most suitable reagent for the following conversion, is : (1) Na/liquid NH3 (2) H2, Pd/C, quinoline (3) Zn/HCl (4) Hg2+/H+, H2O