Chemistry questions
29404 published questions with worked solutions.
- An alkyl halide with molecular formula C_6H_ 13 Br on dehydrohalogenation gave two isomeric alkenes X and Y with molecular...
- C_2H_5Cl [Ag_2O] Moist A [360 ,^ C] Al_2O_3 B S_2Cl_2 C in the above sequence of reactions, identity C.
- Which of the following statement is incorrect about S_N2 mechanism?
- The reaction of toluene with Cl_2 in the presence of FeCl_3 gives X and reaction in the presence of light gives Y. Thus, X and Y...
- Chlorobenzene reacts with Mg in dry ether to give a compound A, which further reacts with ethanol to give
- Chlorobenzene is prepared commercially by
- Tertiary alkyl halides are practically inert to substitution by S_N2 mechanism because of
- The position of –Br in the compound CH_3CH=CHC(Br)(CH_3)_2 can be classified as
- Alkyl halides are prepared from alcohols by treating with
- Arrange the following compounds in the increasing order of their density. I. CH_2Cl_2 II. CHCl_3 III. CCl_4
- 2,2-dichlorobutane on boiling with aqueous KOH gives
- The order of reactivities of the following alkyl halides for a S_N2 reaction is
- The reaction of ethyl bromide with silver cyanide results in the formation of
- The reactivity of alkyl halides depends upon
- Which of the following represents Wurtz–Fittig reaction?
- In S_N2 reactions, the correct order of reactivity for the given compounds CH_3Cl, CH_3CH_2Cl, (CH_3)_2CHCl and (CH_3)_3CCl is
- Four compounds, Toluene (I), o-dichlorobenzene (II), m-dichlorobenzene (III) and p-dichlorobenzene (IV) are arranged in the order...
- 2-bromopentane with alc. KOH yields a mixture of three alkenes. Which of the following alkene is predominant?
- In the reaction, R-X Alc. KCN A Dil. HCl B , the product B is
- If 1,3-dibromopropane reacts with zinc and NaI, the product obtained is