Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________?
(A) they have an electrophilic carbon
(B) they have an electrophilic carbon & a good leaving group
(C) they have an electrophilic carbon & a bad leaving group
(D) they have a nucleophilic carbon & a good leaving group
For which mechanisms the first step involved is the same ?
(A) E1 + E2
(B) E2 + SN2
(C) E1 and SN1
(D) SN1 and SN2
Ethanol and methanol can be distinguished by a__________________?
(A) Iodoform test
(B) Lucas test
(C) Benedicts test
(D) Tollens test
The hydrogenation of phenol in the presence of Ni and heat gives_________________?
(A) cyclohexane
(B) n – hexane
(C) 1 – hexanol
(D) cyclohexanol
Phenol was isolated by Runge from________________?
(A) vegetable oil
(B) coaltar
(C) wood
(D) none of these
Absolute alcohol is obtained when rectified spirit is treated with__________________?
(A) Ca(OH)2
(B) CaCO3
(C) CaCl2
(D) CaO
Methanol can be obtained from_________________?
(A) water gas
(B) destructive distillation of wood
(C) methane
(D) all
Ethanol can be converted into ethanoic acid by_________________?
(A) Hydrogenation
(B) Hydration
(C) Oxidation
(D) Fermentation
Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is_________________?
(A) oxidation
(B) elimination
(C) condensation polymerization
(D) additional polymertization
Heating phenol with Zn will yield_________________?
(A) Benzene
(B) Benzoic acid
(C) Phenoxide
(D) Cyclohexane