JEE Main 2021 (Online) 17th March Evening Shift | Compounds Containing Nitrogen Question 98 | Chemistry

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JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

-1

Primary, secondary and tertiary amines can be separated using:

Chloroform and KOH

Acetyl amide

Benzene sulphonic acid

para-Toluene sulphonyl chloride

JEE Main 2021 (Online) 17th March Morning Shift

MCQ (Single Correct Answer)

-1

Hoffmann bromomide degradation of benzamide gives product A, which upon heating with CHCl₃ and NaOH gives product B.

The structures of A and B are :

JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 99 English Option 1

JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 99 English Option 2

JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 99 English Option 3

JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 99 English Option 4

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

Which of the following is least basic?

$${(C{H_3}CO)_2}\mathop N\limits^{..} H$$

$$(C{H_3}CO)\mathop N\limits^{..} H{C_2}{H_5}$$

$${({C_2}{H_5})_3}\mathop N\limits^{..} $$

$${({C_2}{H_5})_2}\mathop N\limits^{..} H$$

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

Ammonolysis of Alkyl halides followed by the treatment with NaOH solution can be used to prepare primary, secondary and tertiary amines. The purpose of NaOH in the reaction is :

to remove acidic impurities

to remove basic impurities

to activate NH₃ used in the reaction

to increase the reactivity of alkyl halide

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