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Amines

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5 months ago

Amines Class 12th

Which of the following is not a correct statement for primary aliphatic amines?

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Vishal Baghel

Contributor-Level 10

The intermolecular association which is H-bonding is more prominent in case of primary amine as compared to secondary amines due to the availability of two hydrogen atom

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6 months ago

Amines Class 12th

Match List I with List II

List I Pollutant		List II Disease / sickness
A.	Benzenesulphonyl chloride	I.	Test for primary aminies
B.	Hoffmann bromamide reaction	II.	Anti saytzeff
C.	Carbylamine reaction	III.	Hinsberg reagent
D.	Hoffman orientation	IV.	Known reaction of isocyanates

Choose the correct answer from the options given below ;

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alok kumar singh

Contributor-Level 10

Intermediate : R – N = C = O (Isocyanate)

(C) Carbylamine reaction ->Test for primary amine.

$R - N H_{2} o r A r - N H_{2} + C H C l_{3} + 3 K O H \to R - N C o r A r - N C + 3 K C l + 3 H_{2} O$

(D) Hoffmann orientation -> Anti saytzeff (Formation of less substituted alkene as major product)

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6 months ago

Amines Class 12th

Given below two statements:

Statement- I : In Hofmann degradation reaction, the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom.

Statement- II : The group is migrated in Hofmann degradation reaction to electron deficient atom.

In the light of the above statement, choose the most appropriate answer from the options given below:

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Vishal Baghel

Contributor-Level 10

In Hofmann's degradation reaction, produced intermediate is carbine and alkyl and Aryl both type of group can be involved in migration process, during rearrangement.

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6 months ago

Amines Class 12th

In the following reaction sequence

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alok kumar singh

Contributor-Level 10

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New answer posted

6 months ago

Amines Class 12th

The Hinsberg reagent is

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alok kumar singh

Contributor-Level 10

Benzyl sulphonyl chloride is called Hinsberg's reagent.

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6 months ago

Amines Class 12th

The conversion of propan-1- ol to n- butylamine involves the sequential addition of reagents. The correct sequential order of reagent is

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alok kumar singh

Contributor-Level 10

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New answer posted

6 months ago

Amines Class 12th

The major product of the following reaction contains _____________ bromine atom(s).

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alok kumar singh

Contributor-Level 10

Bromination through free radical mechanism occurs at allylic carbon.

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6 months ago

Amines Class 12th

Isobutyraldehyde on reaction with formaldehyde and K₂CO₃ given compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis gives a stable compound 'C'. The compound 'C' is