jee main chemistry important questions | Organic Compounds Containing Nitrogen jee main questions FREE

Q 1 :
Given below are two statements:

Statement (I): Aminobenzene and aniline are same organic compounds.

Statement (II): Aminobenzene and aniline are different organic compounds.

In the light of the above statements, choose the most appropriate answer from the options given below: [2024]

Both Statement I and Statement II are correct
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are incorrect

1

2

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4

(2)

Aniline is IUPAC accepted name of aminobenzene.

Q 2 :
X g of ethylamine is subjected to reaction with ${NaNO}_{2} / HCl$ followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP. X is ______ $\times 10^{- 1}$ g. [2024]

0%

(45)

$C_{2} H_{5} {NH}_{2} \overset{{NaNO}_{2} + HCl}{\to} C_{2} H_{5} N_{2}^{+}$

$\overset{H_{2} O}{\to} C_{2} H_{5} OH + N_{2}$

Moles of nitrogen

$(n_{N_{2}}) = \frac{Volume at STP in L}{22.4} = \frac{2.24}{22.4} mol = 0.1 mol$

From reaction it is clear that moles of ethylamine $(n_{C_{2} H_{5} {NH}_{2}}) = n_{N_{2}} = 0.1 mol .$

Mass of ethylamine = $n_{C_{2} H_{5} {NH}_{2}} \times$ molar mass of ethylamine

$= 0.1 mol \times 45 {g mol}^{- 1} = 45 \times 10^{- 1} g$

Q 3 :
X g of ethanamine was subjected to reaction with ${NaNO}_{2} / HCl$ followed by hydrolysis to liberate $N_{2}$ and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is ______ g. [2024]

0%

(9)

$HCl + NaOH \to NaCl + H_{2} O$

By stoichiometry

$n_{HCl} = n_{NaOH} = 0.2 mol$

$C_{2} H_{5} {NH}_{2} \overset{{NaNO}_{2} + HCl}{\to}$

$C_{2} H_{5} N_{2}^{+} {Cl}^{-} \overset{H_{2} O}{\to} C_{2} H_{5} OH + N_{2} + HCl$

$n_{C_{2} H_{5} {NH}_{2}} = n_{HCl} = 0.2 mol$

$W_{C_{2} H_{5} {NH}_{2}} (X) = M_{C_{2} H_{5} {NH}_{2}} \times n_{C_{2} H_{5} {NH}_{2}} = 45 \times 0.2 g = 9 g$

Q 4 :
Identify B formed in the reaction. [2024]

$Cl - {({CH}_{2})}_{4} - Cl \overset{excess {NH}_{3}}{\to} A \overset{NaOH}{\to} B + H_{2} O + NaCl$

$H_{2} N - {({CH}_{2})}_{4} - {NH}_{2}$
$Cl \overset{+}{N} H_{3} - {({CH}_{2})}_{4} - \overset{+}{N} H_{3} {Cl}^{-}$

1

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4

(2)

In Hoffmann ammonolysis reaction excess of ${NH}_{3}$ forms primary amine. Since ${NH}_{3}$ is in excess, it replaced both $Cl$ of substrate.

Q 5 :
Find out the major product formed from the following reaction. [Me: $- {CH}_{3}$ ] [2024]

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3

4

(3)

Q 6 :
Phthalimide is made to undergo the following sequence of reactions. [2024]

$Phthalimide \overset{\begin{matrix} (i) KOH \\ (ii) Benzylchloride \end{matrix}}{\to} P$

Total number of $π$ bonds present in product 'P' is/are ______

0%

(8)

Q 7 :
An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it, the solution remains clear. The molar mass of the amine (X) formed is ______ g ${mol}^{- 1}$ .

(Given molar mass in g ${mol}^{- 1}$ : C : 12, H : 1, O : 16, N : 14) [2024]

0%

(287)

Ammonolysis of alkyl halides produces a mixture of primary, secondary and tertiary amines and quaternary ammonium salt. Major product formed depends upon relative amount of alkyl halide and ammonia.

As on adding p-toluenesulphonyl chloride (Hinsberg reagent) solution remains clear, this means the amine X is tertiary amine. Formula of X is ${(C_{6} H_{5} {CH}_{2})}_{3} N$ .
Molar mass of

$X = [3 \times (7 \times 12 + 7 \times 1) + 14] {g mol}^{- 1} = 287 {g mol}^{- 1}$

Topic Question Set

Q 1 :
Given below are two statements:

Statement (I): Aminobenzene and aniline are same organic compounds.

Statement (II): Aminobenzene and aniline are different organic compounds.

In the light of the above statements, choose the most appropriate answer from the options given below: [2024]

Q 2 :
X g of ethylamine is subjected to reaction with ${NaNO}_{2} / HCl$ followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP. X is ______ $\times 10^{- 1}$ g. [2024]

0%

Q 3 :
X g of ethanamine was subjected to reaction with ${NaNO}_{2} / HCl$ followed by hydrolysis to liberate $N_{2}$ and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is ______ g. [2024]

0%

Q 4 :
Identify B formed in the reaction. [2024]

$Cl - {({CH}_{2})}_{4} - Cl \overset{excess {NH}_{3}}{\to} A \overset{NaOH}{\to} B + H_{2} O + NaCl$

Q 5 :
Find out the major product formed from the following reaction. [Me: $- {CH}_{3}$ ] [2024]

Q 6 :
Phthalimide is made to undergo the following sequence of reactions. [2024]

$Phthalimide \overset{\begin{matrix} (i) KOH \\ (ii) Benzylchloride \end{matrix}}{\to} P$

Total number of $π$ bonds present in product 'P' is/are ______

0%

Q 7 :
An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it, the solution remains clear. The molar mass of the amine (X) formed is ______ g ${mol}^{- 1}$ .

(Given molar mass in g ${mol}^{- 1}$ : C : 12, H : 1, O : 16, N : 14) [2024]

0%

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Topic Question Set

Q 1 : Given below are two statements: Statement (I): Aminobenzene and aniline are same organic compounds. Statement (II): Aminobenzene and aniline are different organic compounds. In the light of the above statements, choose the most appropriate answer from the options given below: [2024]

Q 2 : X g of ethylamine is subjected to reaction with NaNO2/HCl followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP. X is ______ ×10-1 g. [2024]

0%

Q 3 : X g of ethanamine was subjected to reaction with NaNO2/HCl followed by hydrolysis to liberate N2 and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is ______ g. [2024]

0%

Q 4 : Identify B formed in the reaction. [2024] Cl-(CH2)4-Cl→excess NH3A→NaOHB+H2O+NaCl

Q 5 : Find out the major product formed from the following reaction. [Me:-CH3] [2024]

Q 6 : Phthalimide is made to undergo the following sequence of reactions. [2024] Phthalimide→(i) KOH(ii) BenzylchlorideP Total number of π bonds present in product 'P' is/are ______

0%

Q 7 : An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it, the solution remains clear. The molar mass of the amine (X) formed is ______ g mol-1. (Given molar mass in g mol-1: C : 12, H : 1, O : 16, N : 14) [2024]

0%

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Q 1 :
Given below are two statements:

Statement (I): Aminobenzene and aniline are same organic compounds.

Statement (II): Aminobenzene and aniline are different organic compounds.

In the light of the above statements, choose the most appropriate answer from the options given below: [2024]

Q 2 :
X g of ethylamine is subjected to reaction with ${NaNO}_{2} / HCl$ followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP. X is ______ $\times 10^{- 1}$ g. [2024]

Q 3 :
X g of ethanamine was subjected to reaction with ${NaNO}_{2} / HCl$ followed by hydrolysis to liberate $N_{2}$ and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is ______ g. [2024]

Q 4 :
Identify B formed in the reaction. [2024]

$Cl - {({CH}_{2})}_{4} - Cl \overset{excess {NH}_{3}}{\to} A \overset{NaOH}{\to} B + H_{2} O + NaCl$

Q 5 :
Find out the major product formed from the following reaction. [Me: $- {CH}_{3}$ ] [2024]

Q 6 :
Phthalimide is made to undergo the following sequence of reactions. [2024]

$Phthalimide \overset{\begin{matrix} (i) KOH \\ (ii) Benzylchloride \end{matrix}}{\to} P$

Total number of $π$ bonds present in product 'P' is/are ______

Q 7 :
An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it, the solution remains clear. The molar mass of the amine (X) formed is ______ g ${mol}^{- 1}$ .

(Given molar mass in g ${mol}^{- 1}$ : C : 12, H : 1, O : 16, N : 14) [2024]