Jee 2014 Booklet7 Hwt Nitrogen Containing Organic Compounds

Vidyamandir Classes DATE :

TIME : 25 Minutes

MARKS : [ ___ /15]

TEST CODE : NITRO [1]

START TIME :

END TIME :

TIME TAKEN:

PARENT’S SIGNATURE :

 This test contains a total of 15 Objective Type Questions. Each question carries 1 mark. There is NO NEGATIVE marking. Choose the correct alternative. Only one choice is correct. 1.

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains. (A) mixture of o-and p-bromotoluenes (B) mixture of o-and p-dibromobenzenes (C) mixture of o-and p-bromoanilines (D) mixture of o-and m-bromotoluenes

2.

The structure of the compound formed, when nitrobenzene is reduced by lityium aluminium hydride (LiAlH4) is :

3.

(A)

(B)

(C)

(D)

Secondary nitroalkanes can be converted into ketones by using Y. Identify Y from the following.

(A) 4.

6.

7.

9.

queous NaOH

(C)

KMnO4

(D)

CO

SiC

(B)

(NH4)2S

(C)

KMnO4

(D)

Fe/HCl

Which of the following compounds is soluble in benzene but almost insoluble in water? (A) C2H5OH (B) CH3CO2 (C) CH3CHO (D)

C6H5NO2

The reagent that reacts with nitromethane to form methyl hydroxylamine is : (A) Zn/HCl (B) Zn/NH4Cl (C) Zn/NaOH

(D)

Sn/HCl

(D)

P2O5

Benzamide can be converted into benzonitrile with : (A)

8.

(B)

In the reaction

X is : (A) 5.

aqueous HCl

H3O+

OH  / H 2 O

(B)

(C)

KCN

Ethyl isocyanide on hydrolysis in acidic medium generates (A) ethylamine salt and methanoic acid (B) (C) ethanoic acid and ammonium salt (D) HCl

propanoic acid and ammonium salt methylamine salt and ethanoic acid

Boiling H O

2  Y , Then term Y is :  X  In the reaction CH 3CN  2H  SnCl 2

(A)

acetone

(B)

ethanamine

VMC/Nitrogen Containing Organic Compounds

(C)

acetaldehyde

27

(D)

dimethyl amine

HWT-7/Chemistry

Vidyamandir Classes 10.

11.

An organic compound ‘A’ having molecular formula C2H3N on reduction gave another compound B, upon treatment with nitrous acid ‘B’ gave ethyl alcohol. On warming with chloroform and alcoholic KOH, it formed an offensive smelling compound ‘C’. The compound ‘C’ is : CH 3CH 2  C (A) CH3CH2NH2 (B) (C) (D) CH3CH2·OH CH 3C  N  The major product of the following reaction is :

(A)

(B)

(C)

(D)

12.

n-butylamine (I), diethylamine (II) and N, N-dimethylethlamine (III) have the same molar mass. The increasing order of their boiling point is : (A) III < II < I (B) I < II < III (C) II < III < I (D) II < I < III

13.

Amongst the compounds given, the one that would form a brilliant coloured dye on treatment with NaNO2 in dil. HCl followed by addition to an alkaline solution of  -naphthol is :

(A)

(B)

(C)

(D)

14.

Choose the incorrect statement. (A) Primary amines show intermolecular hydrogen bonds (B) Tert-butylamine is a primary amine (C) Tertiary amines do not show intermolecular hydrogen bonds (D) Amines have lower boiling points as compared to those of alcohols of comparable molecular mass

15.

4 3  C  2 CH 3CH 2 Br   A   B  D, ’D’ is :

aq. KOH 

(A)

CH3Br

KMnO / H  

(B)

NH 

(CH3)3N

VMC/Nitrogen Containing Organic Compounds

Br alkali

(C)

CH3NH2

28

(D)

CHBr3

HWT-7/Chemistry

Vidyamandir Classes DATE :

TIME : 25 Minutes

MARKS : [ ___ /15]

TEST CODE : NITRO [2]

START TIME :

END TIME :

TIME TAKEN:

PARENT’S SIGNATURE :

 This test contains a total of 15 Objective Type Questions. Each question carries 1 mark. There is NO NEGATIVE marking. Choose the correct alternative. Only one choice is correct. 1.

Sn / HCl

What is Y? (A) Acetanilide 2.

(B)

Benzanilide

Azobenzene

(D)

Hydrazobenzene

They combine with chloroform to give a stable compound They react with alcoholic KOH The nitrogen atom of the amine group does not have the required number of hydrogen atoms All the given reasons are correct HNO

PCl

NH

2  A  3  B  3 C . C2 H 5 NH 2 

Recognize the compound C from the following. (A) propanenitrile (B) methylamine 4.

(C)

Why do 2 and 3 amines fail to undergo the carbylamine test? (A) (B) (C) (D)

3.

C H COCl

6 5 Consider the following reaction, C6 H 5 NO2  X    Y  HCl

(C)

ethylamine OH 

NaCN

(D)

acetamide

Br / NaOH

2 Given the following sequence of reactions, CH 3CH 2 I   A   B   C Partial

hydrolysis

The major product ‘C’ is : (A) CH3CH2NH2 5.

6.

(B)

CH 3 ·CH 2 C  NHBr || O

Which of the following is strongest base? (A) C6H5NH2 (B) p  NO 2  C6 H 4 NH 2

(C) CH 3 ·CH 2  COONH 4

(D)

CH 3 ·CH 2 C  NBr2 || O

(C) m  NO2  C6 H 4 NH 2 (D) C6 H 5CH 2 CH 2

Amino group is ortho/para-directing for aromatic electriphilic substitution. On nitration of aniline, a god amount of m-nitroanilin is obtained. This is due to : (A) in nitration mixture, ortho, para-activity of NH2 group is completely lost (B)

 NH 2 becomes  NH 3 , which is m-directing

(C)

 NH 2 becomes  NH  SO4 , which is m-directing

(D)

 NH 2 becomes  NH  NO2 , which is m-directing

7.

Comparing basic strength of NH3, CH3NH2 and C6H5NH2 it may be concluded that (A) basic strength remains unaffected (B) basic strength of alkyl amines is loest (C) basic strength of aryl amines is lowest (D) basic strength of NH3 is highest

8.

Choose the amide which on reduction with LiAlH4 yields a secondary amine (A) ethanamide (B) N-methylethanamide (C) N, N-dimethylethanamide (D) Phenylmethanamide

9.

From the following compounds which does not react with C6H5SO2Cl? (A) C2H5 · NH2 (B) CH3 · NH2 (C) (CH3)2NH

VMC/Nitrogen Containing Organic Compounds

29

(D)

(C2H5)3N

HWT-7/Chemistry

Vidyamandir Classes 10.

The correct order of increasing basic nature of the following bases is : :

(A) (C) 11.

12.

II < V < I < III < IV II < V < I < IV < III

(B) (D)

V < II < I < III < IV V < II < I < IV < III

C5H13N reacts with HNO2 to give an optically active alcohol. The compound is : (A) pentan-1-amine (B) pentan-2-amine (C) N, N-dimethylpropan-2-amine (D)

N-methylbutan-2-amine

In the following reaction sequence predict the compound X and Y.

The compound X and Y are

13.

14.

15.

(A)

(B)

(C)

(D)

Which one of the following is the strongest base in aqueous solution? (A) Trimethylamine (B) Anilne (C) Dimethylamine Decreasing order of basic nature in aqueous solutions : (A) C6H5NH2 > NH3 >CH3NH2 > (Ch3)2NH (C) (CH3)2NH > CH3NH2 > NH3 > C6H5NH2

(B) (D)

(D)

Methylamine

NH3 > C6H5NH2 > CH3NH2 > (CH3)2NH CH3NH2 > (CH3)2 NH > NH3 > C6H5NH2

Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound of water during the reaction is continuously removed. The compound formed is generally known as : (A) an amine (B) an imine (C) an enamine (D) a Schiff’s base

VMC/Nitrogen Containing Organic Compounds

30

HWT-7/Chemistry

Vidyamandir Classes DATE :

TIME : 25 Minutes

MARKS : [ ___ /15]

TEST CODE : NITRO [3]

START TIME :

END TIME :

TIME TAKEN:

PARENT’S SIGNATURE :

 This test contains a total of 15 Objective Type Questions. Each question carries 1 mark. There is NO NEGATIVE marking. Choose the correct alternative. Only one choice is correct. 1.

The compound will react most radily with NaOH to form methanol is : (A)

2.

(CH3 ) 4 N  I 

(CH3 )3 S I 

(C)

(B)

(D)

(C)

(CH3 )3 Cl

(D)

Isopropyl amine with excess of acetyl chloride will give : (A) (B) (CH3CO) 2 N  CH  (CH 3 ) 2

(C)

4.

CH3OCH3

Which of the following is the strongest base? (A)

3.

(B)

(CH3 ) 2 CH  N  COCH3 | H CH3CH 2CH 2  N  COCH3 | H

(D)

(CH3 ) 2 CHN(COCH 3 ) 2

CH3 NH 2  CHCl3  KOH  nitrogen containing compound + KCl  H 2O . Nitrogen containing compound is :

(A)

CH3  C  N

(B)





CH3  N  C

CH3  NH  CH3 (C)



(D)



CH3  N  C

5.

The alkene formed as a major product in the above elimination reaction is: (A) 6.

7.

Ethyl amine on acetylation gives : (A) N-ethyl acetamide (B)

CH 2  CH 2

(C)

(D)

Acetamide

(C)

Methyl acetamide (D)

None of these

Shape of Me 2 NH (D)

Shape of Me3 N

High basicity of Me 2 NH relative to Me3 N is attributed to : (A)

8.

(B)

Effect of solvent

(B) Inductive effect of Me (C)

Which of the following compounds will form alcohol on treatment with NaNO 2 , HCl / H 2O at 0C ? (A)

(CH3 ) 2 CHNH 2

(C) 9.

(B)

C6H5 NH 2

(D)

Among the amines (A) C6H5NH2, (B) CH3NH2, (C) (CH3)2NH, (D) (CH3)3N, the order of basicity is : (A) A I > III > IV

II

III

(C)

IV

III > I > II > IV

Which of the following compound does not undergo Schotten-Baumann reaction? (A) Phenol (B) Primary amine (C) Secondary amine

(D)

IV > I > II > III

(D)

Tertiary amine

14.

15.

(A)

(B)

(C)

(D)

Aniline is not the major product in one of the following reactions. Identify that reaction. ZnCl

(A)

2 C6 H 5OH  NH 3  

(C)

C6 H 5Cl  NH 3   high pressure Cu

300 C

200 C

Alcoholic KOH

(B)

C6 H 5 NO2  Zn powder  

(D)

2  C6 H 5 NO2  6(H) 

Fe  H O HCl

2

VMC/Nitrogen Containing Organic Compounds

32

HWT-7/Chemistry

Vidyamandir Classes DATE :

TIME : 25 Minutes

MARKS : [ ___ /15]

TEST CODE : NITRO [4]

START TIME :

END TIME :

TIME TAKEN:

PARENT’S SIGNATURE :

 This test contains a total of 15 Objective Type Questions. Each question carries 1 mark. There is NO NEGATIVE marking. Choose the correct alternative. Only one choice is correct. 1.

What is ‘Z’ in the following reaction?

(A) 2.

Benzoic acid

(B)

Cyanobenzoic acid (C)

Benzamide

(D)

Which one of the following is not the correct reaction of aryl diazonium salts? (A)

C6 H5 N 2 Cl  Cu 2 Cl2   C6 H5Cl

(B)

C6 H5 N 2 Cl  HBF4   C6 H 5 F

(C)

C6 H5 N 2 Cl  H3 PO 2   C6 H5 PO 4

(D)

C6 H5 N 2 Cl  SnCl2 / HCl   C6 H5 NHNH 2

Heat

3.

Benzene diazonium chloride on reaction with phenol in weakly basic medium gives. (A) diphenyl ether (B) p-hydroxy azobenzene (C) chlorobenzene (D) benzene

4.

Identify the product in the following sequence 3, 4, 5-tribromoaniline  ?

(i) Diazotization (ii) H 3PO2

(A) (C) 5.

3, 4, 5-tribromobenzene 2, 4, 6-tribromobenzene

IV < II < III < I

(B)

8.

1, 2, 3 3-tribromobenzene 3, 4, 5-tribromonitrobenzene

IV < III < II < I

(C)

II < IV < I < III

(D)

I < II < III < IV

Which of the following compounds reacts slower than benzene in electrophilic substitution ?

(A) 7.

(B) (D)

Coupling of diazonium salts of following takes place in the order.

(A) *6.

Aniline

(B)

(C)

(D)

H O

2  ? Aniline + excess of Br2  (A) Tribromo benzene (C) 3, 4, 5-tribromo aniline

(B) (D)

m-bromo aniline 2, 4, 6-tribromo aniline

When aniline reacts oil of bitter almonds, condensation takes place and benzyl derivatives are formed. These are known as : (Oil of bitter almonds : Benzaldehyde) (A) Millon’s base (Hg2NOH.2H2O) (B) Schiff’s reagent (C) Benedict reagent (D) Schiff’s base

VMC/Nitrogen Containing Organic Compounds

33

HWT-7/Chemistry

Vidyamandir Classes

9.

Identify ‘C’ in the following reaction : (A)

Benzamide

(B)

Benzoic acid

(C)

Chlorobenzene

(D)

Aniline

10. The compound C is :

(A) 11.

*12.

(B)

(C)

Alkyl cyanides undergo Stephen reduction to produce : (A) Aldehyde (B) Secondary amine

(D)

(C)

Primary amine

Which one does not liberate NH3 when undergoes hydrolysis ? (A) Acetanilide (B) (C) Acetamide (D)

(D)

Amide

Acetonitrile (CH3CN) Phenyl isocyanide

13.

The correct sequence of reactions to convert p-nitrophenol into quinol involves : (A) reduction, diazotization and hydrolysis (B) hydrolysis, diazotization and reduction (C) hydrolysis, reduction and diazotization (D) diazotization, reduction and hydrolysis

14.

Aniline reacts with conc. HNO3 is give :

15.

(A)

(B)

(C)

(D) Br H2 O

NaNO HCl (0 5C)

Boiling C2 H5 OH

2  X  2  Y  In the following reaction, Aniline   Z . Z is :

(A) (C)

p-bromobenzene 2, 4, 6-tribromophenol

VMC/Nitrogen Containing Organic Compounds

(B) (D)

o-bromobenzene 2, 4, 6-tribromobenzene

34

HWT-7/Chemistry