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NEET CHEMISTRYAminesMedium

Question

The least basic compounds/species among the following is: [Options Missing]

A

Option 1 (Missing)

B

Option 2 (Missing)

C

Option 3 (Missing)

D

Option 4 (Missing)

Step-by-Step Solution

The chemical structures for the options are missing from the provided text. Generally, the basic strength of amines depends on the availability of the lone pair of electrons on the nitrogen atom for protonation. Aliphatic amines are more basic than ammonia, while aromatic amines (like aniline) are less basic due to the delocalisation of the nitrogen lone pair into the benzene ring via resonance. The presence of electron-withdrawing groups (e.g., NO2-NO_2, CN-CN, X-X) further decreases basicity, whereas electron-donating groups (e.g., CH3-CH_3, OCH3-OCH_3) increase it. Amides are typically the least basic among nitrogenous compounds because the lone pair is strongly delocalised by the adjacent carbonyl group. Without the specific options, the exact least basic species cannot be explicitly identified.

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Amines. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

CHEMISTRYAminescompoundsspeciesfollowingoptionsmissing

More Amines Questions

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The products formed when Aniline reacts with $Br_2$ water, and $NaNO_2/HCl$ will be, respectively:

A.p-Bromoaniline; p-Chloroaniline
B.2,4,6-Tribromoaniline; p-Chloroaniline
C.2,4,6-Tribromoaniline; Benzenediazonium chloride
D.p-Bromoaniline; Benzenediazonium chloride
MediumSolve

Aniline gives a set of the following reactions that yielded a coloured product 'Y'. The structure of 'Y' is: (Note: Reaction scheme is missing from the provided text)

A.Option 1
B.Option 2
C.Option 3
D.Option 4
MediumSolve

The structure of C in the below-mentioned reaction is: (Note: Reaction scheme is missing from the provided text)

A.Option 1
B.Option 2
C.Option 3
D.Option 4
MediumSolve

What results from the electrolytic reduction of nitrobenzene in a highly acidic medium?

A.p-Aminophenol
B.Azoxybenzene
C.Azobenzene
D.Aniline
MediumSolve

The reagent required to convert acetamide into methyl amine is:

A.$NaOH/Br_2$
B.Sodalime
C.Hot conc. $H_2SO_4$
D.$PCl_5$
EasySolve

D is N-methyl aniline in the given below sequence of reaction: $A \xrightarrow{\text{reduction}} B \xrightarrow{CHCl_3/KOH} C \xrightarrow{\text{reduction}} D$. Structure of A can be:

A.Option 1 (Missing)
B.Nitrobenzene
C.CH3NH2
D.Option 4 (Missing)
MediumSolve

Which of the following statements about primary amines is false?

A.Alkyl amines are stronger bases than aryl amines
B.Alkyl amines react with nitrous acid to produce alcohols
C.Aryl amines react with nitrous acid to produce phenols
D.Alkyl amines are stronger bases than ammonia
MediumSolve

What is the correct order of the methyl-substituted amines' basic strength in an aqueous solution?

A.$CH_3NH_2 > (CH_3)_2NH > (CH_3)_3N$
B.$(CH_3)_2NH > CH_3NH_2 > (CH_3)_3N$
C.$(CH_3)_3N > CH_3NH_2 > (CH_3)_2NH$
D.$(CH_3)_2NH > (CH_3)_3N > CH_3NH_2$
MediumSolve

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