Aromatic carboxylic acids do not undergo Friedel-Crafts reaction.

Write the structures of the main products in the following reaction:

Write the structures of the main products in the following reaction:

Write the structure of the product when chlorobenzene is treated with methyl chloride in the presence of sodium metal and dry ether.

The reaction of propene with HOCl(Cl₂+H₂O) proceeds through the intermediate:

• CH₃−CH⁺−CH₂−Cl

• CH₃−CH(OH)−C⁺H₂

• CH₃−CHCl−C⁺H₂
  

• CH₃−CHCl−C⁺H₂
  

The product of the reaction given below is:

The synthesis of alkyl fluorides is best accomplished by

• free radical fluorination

• Sandmeyer's reaction

• Finkelstein reaction

• Finkelstein reaction

In S_N2 reactions, the correct order of reactivity for the following compounds CH₃Cl, CH₃CH₂Cl, (CH₃)₂CHCl and (CH₃)₃CCl is

• CH₃Cl > (CH₃)₂CHCl >CH₃CH₂Cl > (CH₃)₃CCl

• CH₃Cl > CH₃CH₂Cl > (CH₃)₂CHCl >(CH₃)₃CCl

• CH₃CH₂Cl > CH₃Cl >(CH₃)₂CHCl >(CH₃)₃CCl

• CH₃CH₂Cl > CH₃Cl >(CH₃)₂CHCl >(CH₃)₃CCl

469.

The major organic compound formed by the reaction of 1,1,1-trichloroethane with silver powder is

• acetylene

• ethene

• 2-butyne

• 2-butyne

The order of stability of the following carbocations,

• III>II>I

• II> III>I

• I>II>III

• I>II>III