Classification of Amines

Q. Find the total structural isomers of $C_5{H}_{10}$

Q.

What are the structural isomers of ${\mathrm{C}}_5{\mathrm{H}}_{12}\mathrm{O}$?

Q. Benzene reacts with $C{H}_{3}COCl$ in the presence of anhydrous $AlC{l}_3$ to give

1. 
2. 
3. 
4. 

Q. Find the total cyclic structural isomers of $C_4{H}_6$

1. 2
2. 3
3. 4
4. 5

Q. 10.6 Arrange each set of compounds in order of increasing boiling points. (i) Bromomethane, Bromoform, Chloromethane, Dibromomethane. { (ii) 1 -Chloropropane, Isopropyl chloride, 1-Chlorobutane.

Q. The total number of cyclic structural isomers of $C_6{H}_{12}$ are:

1. 10
2. 12
3. 14
4. 16

Q. Friedel craft reaction of benzene with isobutyl chloride produces

1. isobutylbenzene
2. tert-Butylbenzene
3. n-Butylbenzene
4. sec-Butylbenzene

Q. Which of the following should be most volatile?
I)CH₃CH₂CH₂NH₂

II) (CH₃)₃N

III)


IV) CH₃CH₂ CH₂ CH₃

1. II

2. IV

3. I

4. III

Q. The total number of acyclic structural isomers of molecular formula $C_4{H}_6$ is

1. 5
2. 3
3. 6
4. 4

Q. Nitrobenzene on reaction with conc. $HN{O}_3/H_{2}S{O}_4$ at $80-{100}^{\circ }C$ forms which one of the following products ?

1. $\text{1, 2 -Dinitrobenzene}$
2. $\text{1, 4 -Dinitrobenzene}$
3. $\text{1, 2, 4- Trinitrobenzene}$
4. $\text{1, 3 -Dinitrobenzene}$

Q. Compound with molecular formula $C_3{H}_{6}O$ can show:

1. Both positional isomerism and metamerism
2. Metamerism
3. Positional isomerism
4. Functional group isomerism

Q. Which of the following is the most basic amine?

1. $C{H}_3-N{H}_2$
   
2. $ClC{H}_{2}N{H}_2$
   
   
3. $C{l}_{2}CH-N{H}_2$
   
   
   
4. $CC{l}_3-N{H}_2$
   

Q.

Which of the following compound does not contain a carbonyl group?

1. Ketones

2. Aldehydes

3. Carboxylic acids

4. Amines

Q.

Give the IUPAC names of the following compounds:

(i) CH₃CH(Cl)CH(Br)CH₃

(ii) CHF₂CBrClF

(iii) ClCH₂C≡CCH₂Br

(iv) (CCl₃)₃CCl

(v) CH₃C(p-ClC₆H₄)₂CH(Br)CH₃

(vi) (CH₃)₃CCH=CClC₆H₄I-p

Q.

Give the IUPAC names of the following compounds:

(a)

(b)

(c)

(d)

(e)

(f) Cl₂CHCH₂OH

Q. The mixture of o-nitrophenol & p-nitrophenol can be separated by

1. Distillation
2. Crystallisation
3. Sublimation
4. Steam distillation

Q. How to compare between alkanamine and ammonia in terms of basicity ?

Q. Which of the following amines is optically active :

1. N-methyl-N –ethyl-N-propyl amine
2. sec-butyl amine
3. Methyl amine
4. dimethyl amine

Q. Which one of the following amines have highest boiling point?

1. Primary amine
2. Secondary amine
3. Tertiary amine
4. All of the above

Q.

Is pyridine a tertiary amine?

Q. Total number of possible amides (including stereoisomers) with molecular formula $C_5{H}_{11}NO$ is $X$. Find the value of $\frac{X}{4}$.

Q. Primary, secondary and teritary amines can be separated using

1. Acetyl amide
2. Benzene sulphonic acid
3. para-Toluenesulphonyl chloride
4. Chloroform and KOH

Q.

Is $\mathrm{NH}$ a functional group?

Q. Out of butane, butan-1-ol, butanal, and butanone, the decreasing order of their boiling point is:

1. butane > butanol > butanal > butanone
2. butanol > butane > butanal > butanone
3. butanone > butanal > butanol > butane
4. butanol > butanone>butanal > butane

Q. The given compound (Benzophenone) can be obtained by Friedel Crafts reaction of benzene with which of the following compounds?

1. Benzyl chloride
2. Chlorobenzene
3. Benzoyl chloride
4. None of these

Q. Which of the following is associated with decrease in $p{K}_b$ value of amines?

1. Increase in acidic strength
2. Increase in basic strength
3. Better proton donation
4. Better electron acceptor

Q. Some statements about isomerism are given

(I) n - propyl amine and isopropyl amine are position isomers
(II)n - butyl amine, isobutyl amine are chain isomers
(III)n - propyl amine and tri methyl amine are functional isomers

(IV)di ethyl amine and n - propyl methyl amine are metamers The correct statements are

1. All

2. Only I, II

3. Only II, III

4. Only II, III, IV

Q. Which of the following amines will form a product that is soluble in KOH, on reaction with Hinsberg’s reagent?

1. Isopropylamine
   
2. Diethylamine
3. N, N-Dimethylpropylamine
   
4. N, N-Dimethylaniline

Q. A grignard reagent may be made by reacting magnesium with

1. Ethyl bromide
2. Methyl amine
3. Diethyl ether
4. Ethyl alcohol

Q. When aniline is treated with benzene diazonium chloride in acidic medium, the final product obtained is :

1. 
2. 
3. 
4.