Which is most base
Which is most base
Options
(a) C₆H₅NH₂ (b) (C₆H₅)₂NH (c) CH₃NH₂ (d) (CH₃)₂NH
Correct Answer:
(CH₃)₂NH
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Chemistry
Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid,
Aniline is treated with a mixture of sodium nitrite and hypophosphorus acid, the product formed is
Options
(a) aniline diazonium hypophosphate (b) benzene (c) anilinium hypophosphite (d) aniline diazonium hypophosphite
Correct Answer:
benzene
Butanenitrile is prepared by heating
Butanenitrile is prepared by heating
Options
(a) propyl alcohol with KCN (b) butyl alcohol with KCN (c) butyl chloride with KCN (d) propyl chloride with KCN
Correct Answer:
propyl chloride with KCN
Explanation: […]
Which reagent can be used for the alkylation of aromatic nitro compounds
Which reagent can be used for the alkylation of aromatic nitro compounds
Options
(a) Methyl-sulfinyl carbanion (b) Methyl-iodide (c) Dimethyl-sulphate (d) Methyl-lithium
Correct Answer:
Methyl-sulfinyl carbanion
Explanation:
Ar – NO₂ group is ring […]
The diazotization of two feebly basic aromatic amines is achieved by using
The diazotization of two feebly basic aromatic amines is achieved by using
Options
(a) nitrous acid (b) nitrosyl-hydrochloric acid (c) sulphuric acid (d) nitrosoyl-sulphuric acid
Correct Answer:
nitrous acid
Explanation:
Diazotisation reaction of aromatic […]
Nitromethane reacts with chlorine in the presence of a base to give
Nitromethane reacts with chlorine in the presence of a base to give
Options
(a) chloroform (b) chloropicrin (c) nitrosyl chloride (d) chloromethane
Correct Answer:
chloropicrin
Explanation:
Primary and secondary nitroalkanes on treatment with […]
Which one of the following is an appropriate method of separating benzene
Which one of the following is an appropriate method of separating benzene and aniline from their mixture
Options
(a) Decantation (b) Filtration (c) Distillation (d) Sublimation
Correct Answer:
Distillation
Explanation:
No explanation available. […]
Allyl isocyanide has
Allyl isocyanide has
Options
(a) 9 sigma bonds and 4π bonds (b) 9 sigma bonds, 3π bonds and 2 non-bonding electrons (c) 8 sigma bonds and 5π bonds (d) 8 sigma bonds, 3π […]
Primary,secondary and tertiary amines may be separated by using
Primary,secondary and tertiary amines may be separated by using
Options
(a) benzene (b) diethyl oxalate (c) sulphonyl chloride (d) acetyl chloride
Correct Answer:
sulphonyl chloride
Explanation:
No explanation available. Be the first to […]
Benzenamine reacts with excess bromine to produce
Benzenamine reacts with excess bromine to produce
Options
(a) 2-bromobenzenamine (b) 2,3-dibromobenzenamine (c) 2,4-dibromobenzenamine (d) 2,4,6-tribromobenzenamine
Correct Answer:
2,4,6-tribromobenzenamine
Explanation:
No explanation available. Be the first to write the explanation for this question […]