Chemistry questions
29404 published questions with worked solutions.
- Which of the following halide is 2°?
- Among the following secondary allylic halide is
- Give the IUPAC name of : CH_ 3 CH_ 2 C(CH_ 3 )_ 2 CH_ 2 I
- How many structural isomers are possible for a compound with molecular formula C_ 3 H_ 7 Cl ?
- Which of the following reactants can be employed to prepare 1-Chloropropane?
- Which reagent cannot be used to prepare an alkyl halide from an alcohol?
- Chlorobenzene can be prepared by reacting aniline with
- Which of the following reaction will yield 2, 2-Dibromopropane?
- The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is
- Halogenations of alkanes is
- Darzen's procedure is the best method for preparing alkyl halide because
- Sandmeyer's reaction of diazonium salts is a replacement reaction of N_ 2 by
- The product formed when benzenediazonium chloride is treated with CuBr/HBr is
- Which of the following cannot be prepared by direct halogenations of benzene?
- Ethyl bromide is prepared from
- The reaction of toluene with Cl_ 2 in presence of FeCl_ 3 gives predominantly
- The reaction conditions leading to the best yield of C_ 2 H_ 5 Cl are :
- The number of monochloro product obtained during the reaction of 2, 3-dimetylbutane with Cl_2 in presence of sunlight is
- For the reaction CH_3-CH_2-CH(Cl)CH_3 [475 , K ] KOH ,(alc) C_2H_5-CH=CH_2 (A) + CH_3-CH=CH-CH_3 (B)
- The major product formed when methyl iodide reacts with sodium nitrite is