Which of the following will have the maximum dipolemoment?
(a) \(CH_3\)F.
(b) \(CH_3\)Cl.
(c) \(CH_3\)Br.
(d) \(CH_3\)I.
A Grignard reagent may be made by reacting magnesium with
a) Methyl amine.
b) Diethyl ether.
c) Ethyl iodide.
d) Ethyl alcohol.
Aryl halides can not be prepared by the reaction of arylalcohols with \(PCl_3\), \(PCl_5\) or \(SOCl_2\) because :
(a) phenols are highly stable compounds.
(b) carbon-oxygen bond in phenols has a partial doublebond character.
(c) carbon-oxygen bond is highly polar
(d) all of these
Benzene reacts with \(CH_3\)Cl in the presence of anhydrous \(AlCl_3\) to form:
(a) chlorobenzene
(b) benzylchloride
(c) xylene
(d) toluene
Write the structure of 1-Bromo-4-chlorobut-2-ene.
Write the structure of 2,4-dinitrochlorobenzene.
Write the structure of 3-Bromo-2-methylprop-1-ene.
Write the structure of an isomer of compound C₄H₉Br which is most reactive towards reaction.
Write the IUPAC name of the following :
Identify the chiral molecule in the following pair :