Chemistry questions
29404 published questions with worked solutions.
- S_N1 reactions occur through the intermediate formation of
- Lactic acid shows which type of isomerism
- Which one of the following compounds can be optically active?
- Which one of the following compounds will show optical isomerism?
- The increasing order of reactivity towards S_N2 reactivity is
- Racemic mixture is formed by mixing two :
- What is the possible number of optical isomers for a compound containing 2-dissimilar asymmetric carbon atom?
- S_N1 reactions are favoured by
- Chlorination of chlorobenzene in presence of Fe gives
- Replacement of Cl of chlorobenzene to give phenol requires drastic conditions but chlorine of 2, 4-dinitrochlorobenzene is...
- Which of the following sequence would yield m-nitro chlorobenzene (Z) from benzene?
- Reaction of alkyl halides with aromatic compounds in presence of anhydrous AlCl_3 is known as
- Aryl halide is less reactive than alkyl halide towards nucleophilic substitution because
- The reaction of an aromatic halogen compound with an alkyl halide in presence of sodium and ether is called
- Fittig reaction can be used to prepare
- 2CHCl_3 + O_2 X 2COCl_2 + 2HCl In the above reaction, X stands for
- C - Cl bond in chlorobenzene in comparison to C-Cl bond in methyl chloride is
- Which of the following is least reactive towards nucleophilic displacement reaction when treated with aqueous KOH?
- Freon (dichlorodifluoro methane) is used
- The reactivity of methyl chloride, propyl chloride and chlorobenzene are in the order