Which of the following compounds is an amine?

Which of the following compounds is an amine?
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Which of the following compounds is an amine? A. B. C. D.
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What is carbil amine reaction ?

Description : What is carbil amine reaction ?

Last Answer : The primary or 1 degree amine ( CH3-NH2 and aniline) reacts with chloroform and alcoholic caustic potash ( KOH) to produce methyl carbil amine ( CH3-NC) . This reaction is called carbil amine reaction.

In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be -

Description : In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be -

Last Answer : In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be - A. ... C. `(CH_(3))_(2)NH` D. `(CH_(3))_(3)N`

Tertiary butyl amine is a-

Description : Tertiary butyl amine is a-

Last Answer : Tertiary butyl amine is a- A. `1^(@)` Amine B. `2^(@)` Amine C. `3^(@)` Amine D. Quaternary salt

The substance that gives a primary amine on hydrolysis is

Description : The substance that gives a primary amine on hydrolysis is

Last Answer : The substance that gives a primary amine on hydrolysis is A. nitroparaffin B. alkyl cyanide C. oxime D. alkyl isocyanide

In the hofmann-bromamide degradation reaction, the number of moles of NaOH and `Br_(2)` used per mole of amine produced are

Description : In the hofmann-bromamide degradation reaction, the number of moles of NaOH and `Br_(2)` used per mole of amine produced are

Last Answer : In the hofmann-bromamide degradation reaction, the number of moles of NaOH and `Br_(2)` used per mole of ... moles of NaOH and one mole of `Br_(2)`

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... . `II gt I gt IV gt III`

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... O)overset(||)(C)-NH_(2)`

Which of the following reduction reactions does not give an amine as product?

Description : Which of the following reduction reactions does not give an amine as product?

Last Answer : Which of the following reduction reactions does not give an amine as product? A. `R-NO_(2) underset(" ... (2)underset(Delta)overset(Zn//NH_(4)Cl)rarr`

In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the carbon chain, the reagent used as sou

Description : In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the carbon chain, the reagent used as sou

Last Answer : In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the ... C_(6)H_(4)(CO)_(2)N^(-)K^(+)`

An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_(6)H_(5)NC`. The compound (Y) wa

Description : An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_(6)H_(5)NC`. The compound (Y) wa

Last Answer : An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_ ... 3)OH` D. `C_(6)H_(5)NH_(2)`

Give 3 methods to distinguish primary amine from secondary and tertiary.

Description : Give 3 methods to distinguish primary amine from secondary and tertiary.

Last Answer : Give 3 methods to distinguish primary amine from secondary and tertiary.

Which of the following amine is optically active?1

Description : Which of the following amine is optically active?1

Last Answer : Which of the following amine is optically active?1 A. `CH_(3)NH_(2)` B. `CH_(3)NHC_(2)H_(5)` C. D. sec-Butylamine

Of the following amines how many can give carbyl amine reaction?

Description : Of the following amines how many can give carbyl amine reaction?

Last Answer : Of the following amines how many can give carbyl amine reaction?

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is ... is formed which can be given as: A. B. C. D.

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt ... reaction. The final product is A. B. C. D.

When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Description : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

Last Answer : When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and ... gt R gt S` D. `S gt R gt Q gt P`

In the path I, if then the amine finally formed is :

Description : In the path I, if then the amine finally formed is :

Last Answer : In the path I, if then the amine finally formed is : A. B. C. racemic mixture of a and b D. none of these

The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Description : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Last Answer : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the ... ` Mechanism: A. B. C. D. all of these

The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Description : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Last Answer : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating ... : Find X and Y: A. B. C. D.

The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Description : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating amide is known as Hofmann-Bromoamide

Last Answer : The conversion of an amide by reaction `NaOH` and `Br_(2)` to primary amine that has one carbon than the strating ... reaction: A. 1 B. 2 C. 3 D. 4

Optically active amine having molecular formula `C_(5)H_(13)N` on reaction with `NaNO_(2)+HCI` produces, `3^(@)` optically inative alcohol. Find out s

Description : Optically active amine having molecular formula `C_(5)H_(13)N` on reaction with `NaNO_(2)+HCI` produces, `3^(@)` optically inative alcohol. Find out s

Last Answer : Optically active amine having molecular formula `C_(5)H_(13)N` on reaction with `NaNO_(2)+HCI` produces, ` ... out structures of amines: A. B. C. D.

Which of the following can give `1^(@)` amine?

Description : Which of the following can give `1^(@)` amine?

Last Answer : Which of the following can give `1^(@)` amine? A. `Ph-overset(CH_(3))overset(|)(CH)-OH ... overset(NaN_(3))underset(Delta)rarr overset(LiAIH_(4))rarr`

The presence of primary amine can be confirmed by its reaction with:

Description : The presence of primary amine can be confirmed by its reaction with:

Last Answer : The presence of primary amine can be confirmed by its reaction with: A. `HNO_(2)` B. `CHCI_(3) +NaOH` C. `CS_(2)` and `HgCI_(2)` D. `H_(2)SO_(4)`

What set of conditions would be useful for preparing a `2^(@)` amine?

Description : What set of conditions would be useful for preparing a `2^(@)` amine?

Last Answer : What set of conditions would be useful for preparing a `2^(@)` amine? A. `2^(@)R-Br +NaNH_(2)` B. `2^(2)R ... (@)R-NH_(2)+1^(@)RCHO,H_(2)` and `Pt` D.

The nitrogan atom in each of the following tertiary amines may be removed as trimethyl amine by repeated Hoffmann elimination. Which of the following

Description : The nitrogan atom in each of the following tertiary amines may be removed as trimethyl amine by repeated Hoffmann elimination. Which of the following

Last Answer : The nitrogan atom in each of the following tertiary amines may be removed as trimethyl amine by repeated Hoffmann ... to accomplish this? A. B. C. D.

Only one of the following amines will lose its nitrogen atom as trimethyl amine by repeated Hofmann elimination reactions:

Description : Only one of the following amines will lose its nitrogen atom as trimethyl amine by repeated Hofmann elimination reactions:

Last Answer : Only one of the following amines will lose its nitrogen atom as trimethyl amine by repeated Hofmann elimination reactions: A. B. C. D.

In which of the following reactions does the amine behaves as an acid ?

Description : In which of the following reactions does the amine behaves as an acid ?

Last Answer : In which of the following reactions does the amine behaves as an acid ? A. `(C_(2)H_(5))_(2)NH +H_(2) PtCI_ ... (C_(2)H_(5))_(3)overset(..)(N)+BF_(3)`

In Gabriel synthesis, amine is always:

Description : In Gabriel synthesis, amine is always:

Last Answer : In Gabriel synthesis, amine is always: A. alphatic primary amine B. aliphatic secondary amine C. aromatic primary amine D. aromatic secondary amine

Ethyl cyanide (A) can be converted to ethyl amine (B) by:

Description : Ethyl cyanide (A) can be converted to ethyl amine (B) by:

Last Answer : Ethyl cyanide (A) can be converted to ethyl amine (B) by: A. `A overset(Sn //HCI)rarr B` B. `A ... LiAIH_(4))rarr B` D. both (a),(c) are correct

Which is the best method of preparing `2^(@)` amine ?

Description : Which is the best method of preparing `2^(@)` amine ?

Last Answer : Which is the best method of preparing `2^(@)` amine ? A. `CH_(3)CI+ NH_(3) rarr` B. ` ... (CHCI_(3)//KOH)underset(Delta)rarr overset(Sn//HCI)rarr`

An alcoholic amine residue is present in which of the following lipids? (A) Phosphatidic acid (B) Cholesterol (C) Sphingomyelin (D) Ganglioside

Description : An alcoholic amine residue is present in which of the following lipids? (A) Phosphatidic acid (B) Cholesterol (C) Sphingomyelin (D) Ganglioside

Last Answer : Answer : C

Biosynthesis of Triglyceride and Lecithine both require an intermediate: (A) Monoacyl glycerol phosphate (B) Phosphatidic acid (C) Phosphatidyl ethanol amine (D) Phosphatidyl cytidylate

Description : Biosynthesis of Triglyceride and Lecithine both require an intermediate: (A) Monoacyl glycerol phosphate (B) Phosphatidic acid (C) Phosphatidyl ethanol amine (D) Phosphatidyl cytidylate

Last Answer : Answer : B

A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin

Description : A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin

Last Answer : Answer : D

Tetra hydroglolate can be freed from N5 methyl tetrahydrofolate only by (A) Nor epinephrine (B) Ethanol amine (C) Nicotinamide (D) Vitamin B12

Description : Tetra hydroglolate can be freed from N5 methyl tetrahydrofolate only by (A) Nor epinephrine (B) Ethanol amine (C) Nicotinamide (D) Vitamin B12

Last Answer : Answer : D

A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Description : A sympathomimetic amine that acts almost exclusively by releasing noradrenaline from the nerve endings is (a) Ephedrine (b) Dopamine (c) Isoprenaline (d) Tyramine

Last Answer : Ans: D

Nylon-66 is a polyamide of (A) Hexamethylene diamine and adipic acid (B) Adipic acid and methyl amine (C) Vinyl chloride and formaldehyde (D) None of these

Description : Nylon-66 is a polyamide of (A) Hexamethylene diamine and adipic acid (B) Adipic acid and methyl amine (C) Vinyl chloride and formaldehyde (D) None of these

Last Answer : (A) Hexamethylene diamine and adipic acid

Thermal pyrolysis of ethylene dichloride produces (A) Trichloroethylene (B) Vinyl chloride (C) Ethanol amine (D) Ethylene oxid

Description : Thermal pyrolysis of ethylene dichloride produces (A) Trichloroethylene (B) Vinyl chloride (C) Ethanol amine (D) Ethylene oxid

Last Answer : (B) Vinyl chloride

Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber? (A) Carbon (B) Alkylated diphenyl amine (C) Thiokol (D) Magnesium

Description : Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxidant used in rubber? (A) Carbon (B) Alkylated diphenyl amine (C) Thiokol (D) Magnesium

Last Answer : (B) Alkylated diphenyl amine

The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Description : The most suitable solvent for deasphalting vacuum residue is (A) Propane (B) Methyl ethyl ketone (C) Doctor's solution (D) Methanol amine

Last Answer : (B) Methyl ethyl ketone

Trimetyl amine is pyramidal while trisilyl amine is trigonal planer . explain ?

Description : Trimetyl amine is pyramidal while trisilyl amine is trigonal planer . explain ?

Last Answer : Ans. In tri silylamine N is sp2 hybridised and pπ-dπ bonding take place while In trimethyl amine N is SP3 hybridised and No pπ-dπ bonding .

How would you remove nonpolar impurities from an amine ?

Description : How would you remove nonpolar impurities from an amine ?

Last Answer : Ans.--- Adding HCl , amine will form salt whereas nonpolar impurities will not react . Amines can be regenerated by adding NaOH . 

Why is amide more acidic than an amine ?

Description : Why is amide more acidic than an amine ?

Last Answer : Ans.—In amide there is C=O group attached NH2 , electron withdrawing & increases acidic nature of amide whereas in amines there is alkyl group which is electron releasing and makes it more basic & hence less acidic.

Pkb of aniline is more than that of methyl amine.

Description : Pkb of aniline is more than that of methyl amine.

Last Answer : In aniline, the lone pair of electrons on the N-atom are delocalized over the benzene ring. As a result electron density on the nitrogen decreases. In contrast in CH2NH2 , + I effect of CH3 ... , aniline is a weaker base than methylamine and hence its Pkb value is higher than that of methylamine.

Prominent foul smell of Karnal bunt is due to (A) Trienthyl amine (B) Trimethyl amine (C) Dimethyl amine (D) None

Description : Prominent foul smell of Karnal bunt is due to (A) Trienthyl amine (B) Trimethyl amine (C) Dimethyl amine (D) None

Last Answer : (B) Trimethyl amine

Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Description : Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Last Answer : Diazotization

Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Description : Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Last Answer : It liberates nitrogen on treatment with ice-cold nitrous acid

A primary amine can be identified by using (a) HCl (b) CHCl3 (c) NaOH (d) CHCl3 + KOH

Description : A primary amine can be identified by using (a) HCl (b) CHCl3 (c) NaOH (d) CHCl3 + KOH

Last Answer : CHCl3 + KOH

Which of the following does not react with acyl chlorides to form amides : (a) ammonia (b) 1° amine (c) 2° amine (d) 3° amine

Description : Which of the following does not react with acyl chlorides to form amides : (a) ammonia (b) 1° amine (c) 2° amine (d) 3° amine

Last Answer : 3° amine

Which type of amine produces N2 when treated with HONO? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary

Description : Which type of amine produces N2 when treated with HONO? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary

Last Answer : Primary