Class 12 Exam  >  Class 12 Tests  >  CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Class 12 MCQ

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Class 12 MCQ


Test Description

21 Questions MCQ Test - CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives)

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) for Class 12 2024 is part of Class 12 preparation. The CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) questions and answers have been prepared according to the Class 12 exam syllabus.The CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) MCQs are made for Class 12 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) below.
Solutions of CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) questions in English are available as part of our course for Class 12 & CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) solutions in Hindi for Class 12 course. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free. Attempt CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) | 21 questions in 50 minutes | Mock test for Class 12 preparation | Free important questions MCQ to study for Class 12 Exam | Download free PDF with solutions
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 1

Only One Option Correct Type

Direction (Q. Nos. 1-8) This section contains 8 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q. 

Carbyl amine test is performed in alcoholic KOH by heating a mixture of

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 1

Primary amine, with CHCI3, KOH gives R—NC.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 2

Tetraethyl ammonium bromide is produced by the reaction of

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 2

1 Crore+ students have signed up on EduRev. Have you? Download the App
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 3

A primary aliphatic amine is converted to alkyl chloride by treatment with

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 3

R—NH2 + NOCI → R—Cl + N2 + H2O

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 4

Which of the following reagent is useful for separating aniline from mixture of aniline and nitrobenzene?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 4

Aniline forms anilium hydrochloride salt. No such salt is formed with nitrobenzene.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 5

Which of the following reagent gives a white precipitate with an aqueous solution of ethyl amine?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 5

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 6

When a solution of aliphatic amine is treated with NaNO2 in HCI, effervescence is observed due to

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 6

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 7

Which of the following is not true regarding a primary amine?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 7

Primary amine form s am ide rather than oxamic ester.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 8

The compound C5H13N is optically active and reacts with HNO2 to give an alcohol C5H11OH Hence, the compound is

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 8

*Multiple options can be correct
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 9

One or More than One Options Correct Type

Direction (Q. Nos. 9-14) This section contains 6 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

Q. 

Amine(s) that form precipitate with p-CH3—C6H4—SO2CI is/are

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 9

Primary and secondary amines form precip itate with tosyl chloride but tertiary do not form precipitate with tesyl chloride.

*Multiple options can be correct
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 10

Amine (s) that gives visible change with NaNO2/HCI is/are

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 10

Primary amine gives effervescence of N2 with HNO3 while secondary amines form yellow, oily liquid of nitroso amine. Tertiary amine do not react with HNO2.

*Multiple options can be correct
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 11

In which reaction(s) reactants and products are correctly matched?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 11

Option (a) and option (b) are primary amine, form isocyanide in carbyl amine reaction.

*Multiple options can be correct
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 12

In which of the following reaction(s), reactants and products are correctly matched?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 12

With CS2, primary amine gives a sulpham ic acid which reacts further with HgCI2 giving R—NCS.
Secondary amine give  which do not react with HgCI2.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 13

In which of the following pair(s), the first member is more basic than second one in aqueous solution ?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 13

In aqueous solution, the order of basic strength of amine is : 2° > 1° > 3°
Also, aliphatic amines are more basic than aromatic amines.

*Multiple options can be correct
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 14

In the following reaction,

Q. 

The expected product(s) is/are

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 14

Reaction proceed via carbocation intermediates.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 15

Comprehension Type

Direction (Q. Nos. 15-17) This section contains a paragraph, describing theory, experiments, data, etc. Three questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

Passage

Carbyl amine reaction is used to differentiate a primary amine from secondary amines. Primary amine form a foul smelling isocyanide (RNC) which serves for its detection. Both aliphatic and aromatic primary amines give this test. A widely accepted mechanism of this reaction is




Q. 

What is true regarding the first step of mechanism?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 15

In first step, dichloro carbene acts as an electrophile which is formed in α-elimination.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 16

Carbyl amine reaction is used to differentiate a primary amine from secondary amines. Primary amine form a foul smelling isocyanide (RNC) which serves for its detection. Both aliphatic and aromatic primary amines give this test. A widely accepted mechanism of this reaction is




Q. 

What is the increasing order of reactivity of the following amines in the above carbyl amine reaction?




Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 16

Electron donating group increases the reactivity while electron withdrawing group decreases the reactivity.

CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 17

Carbyl amine reaction is used to differentiate a primary amine from secondary amines. Primary amine form a foul smelling isocyanide (RNC) which serves for its detection. Both aliphatic and aromatic primary amines give this test. A widely accepted mechanism of this reaction is




Q. 

What would be formed if amine CH3CH2NHCH3 is used?

Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 17

*Answer can only contain numeric values
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 18

One Integer Value Correct Type

Direction (Q, Nos. 18-21) This section contains 4 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

Q. 

If adipic acid (hexane dioic acid) is heated with excess of hydrazoic acid (HN3), how many gaseous molecules are formed per molecule of diacid?


Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 18

*Answer can only contain numeric values
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 19

If chloroform is treated with KOH followed by the addition of 1,6-diamino hexane, hexane-1,6-di isocyanide is formed. How many formula units of KCI are formed per molecule of diamine ?


Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 19

*Answer can only contain numeric values
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 20

If the following amine is treated with excess of HCI, how many different isomeric quarternary ammonium salts are produced?


Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 20

*Answer can only contain numeric values
CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 21

How many different isomers of C4H11N on heating with CS2 followed by the addition of HgCl2 gives alkyl isothiocyanide (RNCS)?


Detailed Solution for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) - Question 21

It is mustard oil reaction which is given by primary amines only.

Information about CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) Page
In this test you can find the Exam questions for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives) solved & explained in the simplest way possible. Besides giving Questions and answers for CPU 8 - Reactions Of Amines (Carboxylic Acids And Acid Derivatives), EduRev gives you an ample number of Online tests for practice
Download as PDF