Nitrogen Containing Compounds

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What is the general method of preparation of ethyl nitrite?

By adding concentrated HCl or H2SO4 to aqueous solution of sodium nitrite and ethyl alcohol at high temperature (100°C).

By adding concentrated HCl or H2SO4 to aqueous solution of sodium nitrite and ethyl alcohol at very low temperature (0°C). (correct)

By adding concentrated NaOH or KOH to aqueous solution of sodium nitrite and ethyl alcohol at atmospheric pressure.

By adding concentrated HNO3 or HClO4 to aqueous solution of sodium nitrite and ethyl alcohol at high pressure.

What are the two forms of nitrous acid?

Nitrite form and nitro form (correct)

Alkyl nitrite form and nitro alkane form

Amine form and amide form

Nitro form and amine form

What is the most important alkyl nitrite?

Methyl nitrite

Propyl nitrite

Butyl nitrite

Ethyl nitrite (correct)

What is the classification of nitro alkanes?

As nitro derivatives of alkanes Signup and view all the answers

What is the nature of alkyl nitrites?

They are alkyl esters of nitrous acid Signup and view all the answers

What are the types of derivatives that can be obtained from nitrous acid?

Alkyl nitrites and nitro alkanes Signup and view all the answers

What is the product of the reaction between C2H5ONO and sodium hydroxide?

C2H5OH and NaNO2 Signup and view all the answers

Which of the following nitro compounds does not react with nitrous acid?

Tertiary nitro alkane Signup and view all the answers

What is the product of the nitration of benzene using concentrated HNO3 and H2SO4?

Nitrobenzene Signup and view all the answers

What is the product of the reduction of aromatic nitro compounds?

Primary amine Signup and view all the answers

What is the colour of the solution formed when primary nitro alkanes react with sodium hydroxide?

Red Signup and view all the answers

What is the method of preparation of aromatic nitro compounds?

Nitration Signup and view all the answers

What is the effect of the –NO2 group on the nuclear halogen in a molecule?

Makes it more reactive towards nucleophilic substitutions Signup and view all the answers

What is the acidity order of nitrophenols?

p- > o- > m- Signup and view all the answers

What is the use of nitrobenzene in the preparation of?

Shoe polish and cheaper soaps Signup and view all the answers

What type of reaction occurs between nitro compounds and nucleophiles?

Nucleophilic substitution Signup and view all the answers

What is the characteristic property of aromatic nitro compounds that makes them useful as solvents?

High polarity Signup and view all the answers

What is the reaction that occurs when nitro compounds like TNT, picric acid, and TNB are used as explosives?

Combustion reaction Signup and view all the answers

What is the purpose of Liebermann's nitroso reaction?

To distinguish between 1o, 2o, and 3o amines Signup and view all the answers

What is the result of the reaction between tertiary amines and nitrous acid?

Formation of nitrite salts Signup and view all the answers

What is the effect of electron-withdrawing groups on the basicity of amines?

Decrease the electron density on the nitrogen atom Signup and view all the answers

What is the order of basicity of amines?

(CH3)2NH > CH3NH2 > NH3 > C6H5NH2 Signup and view all the answers

What is the product of the reaction between a secondary amine and nitrous acid?

Nitrosoamine Signup and view all the answers

What is the purpose of the Hofmann's mustard oil reaction?

To prepare mustard oil from alkyl halides Signup and view all the answers

What is the primary function of the nitrous acid test in amines?

To identify the type of amine Signup and view all the answers

What is the product of the reaction between aniline and carbon di sulphide?

Dialkyl dithiocarbamic acid Signup and view all the answers

What is the product of the reaction between aniline and bromine water?

2,4,6-Tri-bromo aniline Signup and view all the answers

What is the effect of the amino group on the aromatic ring in aniline?

It activates the ring and directs the incoming group to ortho and para positions Signup and view all the answers

What is the reducing agent used in the Hofmann's mustard oil reaction?

HgCl2 Signup and view all the answers

What is the oxidation product of a tertiary amine when reacted with Caro's acid?

Amine oxide Signup and view all the answers

What is the final product of the oxidation of primary amines?

Aldehyde Signup and view all the answers

What is the purpose of acetylation in the Liebermann's nitroso reaction?

To deactivate the ring and control the reaction to monosubstitution stage Signup and view all the answers

What is the purpose of acetylating aniline with acetic anhydride before halogenation?

To ensure monosubstitution at the ortho and para positions Signup and view all the answers

What is the characteristic of the Liebermann's nitroso reaction?

It produces a nitrosoamine Signup and view all the answers

What is the test used to identify aniline, which involves the reaction with bromine water?

Bromoaniline test Signup and view all the answers

What is the oxidation product of a secondary amine when reacted with potassium permanganate?

Tetra-alkyl hydrazine Signup and view all the answers