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Organic Compounds Containing Nitrogen mcq. We covered all the Organic Compounds Containing Nitrogen mcq in this post for free so that you can practice well for the exam.
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mcq on Organic Compounds Containing Nitrogen for NEET Students
Which of the following compounds does not participate in azo coupling with benzene diazonium chloride?
a) Aniline
b) Phenol
c) Anisole
d) Nitrobenzene
Option d – Nitrobenzene
When t-butyl bromide is treated with alcoholic ammonia, the reaction it undergoes is:
a) Nucleophilic substitution
b) Elimination
c) Addition
d) Electrophilic substitution
Option b – Elimination
Which primary amine can be synthesized by reducing both nitriles and amides?
a) Methylamine
b) Benzylamine
c) Aniline
d) Isopropylamine
Option b – Benzylamine
N,N-Dimethylmethanamine is a structural isomer of:
a) Ethylamine
b) Ethyldimethylamine
c) Ethylmethylamine
d) n-Butylamine
Option c – Ethylmethylamine
Which of the following pairs can be differentiated using the isocyanide test?
a) Ethylamine and aniline
b) Benzylamine and dimethylamine
c) Diethylamine and trimethylamine
d) Cyclohexylamine and aniline
Option b – Benzylamine and dimethylamine
Acetaldoxime reacts with sodium in ethanol, forming compound P. P, when treated with nitrous Acid at low temperature, produces compound D. Heating D with concentrated H₂SO₄ at 443 K gives compound S. Identify D and S.
a) Ethanol, Ethene
b) Ethylamine, Ethene
c) Ethanol, Ethane
d) Propan-2-ol, Propene
Option a – Ethanol, Ethene
How many of the following amines can undergo diazotization? tert-Butylamine, ethanamine, aniline, N-methylaniline, p-toluidine, m-chloroaniline, 2-phenylethanamine, 2,4,6-tribromoaniline.
a) 4
b) 5
c) 6
d) 8
Option a – 4
What is the major product formed when nitrobenzene is treated with tin and concentrated hydrochloric Acid?
a) Benzene
b) Toluene
c) Chlorobenzene
d) Aniline
Option d – Aniline
Which of the following is more basic compared to aniline?
a) N,N-Diphenylaniline
b) N-Phenylaniline
c) p-Nitroaniline
d) Phenylmethanamine
Option d – Phenylmethanamine
Given that Butan-1-amine (I), N-ethylethanamine (II), and N,N-dimethylethanamine (III) have the same Molecular weight, their boiling points increase in the order:
a) III < II < I
b) I < II < III
c) II < III < I
d) II < I < III
Option a – III < II < I
Among the given amines, which one exhibits the highest basicity in aqueous medium?
a) N,N-diethylethanamine
b) N-ethylethanamine
c) N-methylmethanamine
d) Ethanamine
Option b – N-ethylethanamine
Which compound gives a positive carbylamine test?
a) N,N-dimethylbenzenamine
b) N,N-diethylethanamine
c) N-methylbenzenamine
d) Phenylmethanamine
Option d – Phenylmethanamine
The reaction of ethylamine with acetyl chloride in the presence of pyridine yields:
a) N-ethylethanamide
b) N,N-diethylethanamide
c) N-methylethanamide
d) N-ethylpropanamide
Option a – N-ethylethanamide
Which substance will dissolve in an alkaline medium after reacting with Hinsberg’s reagent?
a) CH₃NH₂
b) (CH₃)₃N
c) (C₂H₅)₂NH
d) C₆H₅NHC₆H₅
Option a – CH₃NH₂
The correct sequence of chemical transformations required to convert p-nitrophenol into quinol is:
a) Reduction, diazotization, acidic hydrolysis
b) Acidic hydrolysis, diazotization, reduction
c) Acidic hydrolysis, reduction, diazotization
d) Diazotization, reduction, acidic hydrolysis
Option a – Reduction, diazotization, acidic hydrolysis
Aniline reacts with bromine water, followed by sodium nitrite and dilute HCl to form a diazonium Salt. This Salt is then converted into diazonium tetrafluoroborate and heated. What is the final product?
a) 1-Bromo-4-fluorobenzene
b) 4-Bromoaniline
c) 1,3,5-Tribromo-2-fluorobenzene
d) 1,3,5-Tribromobenzene
Option c – 1,3,5-Tribromo-2-fluorobenzene
When benzene diazonium chloride reacts with Phenol in the presence of an alkali, the resulting dye has what color?
a) Red
b) Yellow
c) Orange
d) Green
Option c – Orange
A test tube labeled ‘X’ contains N-methylaniline. Upon treatment with Hinsberg’s reagent and excess potassium hydroxide, the correct observation is:
a) A clear solution forms which yields an insoluble product upon acidification
b) An insoluble material forms that dissolves upon acidification
c) An insoluble substance forms that does not dissolve upon acidification
d) The clear solution remains unchanged even after acidification
Option c – An insoluble substance forms that does not dissolve upon acidification
Which amide forms propanamine when it undergoes Hofmann bromamide reaction?
a) Propanamide
b) Pentanamide
c) Ethanamide
d) Butanamide
Option d – Butanamide
Which of the following accurately describes the Hofmann bromamide reaction?
a) Produces unsymmetrical amines
b) Yields tertiary amines
c) Produces primary amines
d) Does not form aromatic amines
Option c – Produces primary amines
Which compound cannot establish intermolecular hydrogen Bonding?
a) Propan-2-amine
b) Triethylamine
c) Diphenylamine
d) o-Toluidine
Option b – Triethylamine
Which of the following is true regarding the acylation of amines?
a) Involves substitution of the nitrogen hydrogen Atom by an alkyl group
b) It’s an electrophilic substitution reaction
c) Requires a strong Base like pyridine
d) Secondary amines do not participate in acylation
Option c – Requires a strong Base like pyridine
Gabriel phthalimide synthesis is mainly used to prepare:
a) Aromatic primary amines
b) Aliphatic primary amines
c) Aliphatic secondary amines
d) Aromatic secondary amines
Option b – Aliphatic primary amines
Among the following, which is the least basic according to Brønsted theory?
a) Aniline
b) Cyclohexylamine
c) Phenol
d) Cyclohexanol
Option c – Phenol
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