5/27/2018 Alkyl Halide (Quiz Cum Practice Test)

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Alkyl Halide (Quiz Cum Practice Test)Nucleophilic Substitution and Elimination

Name of the Student :_____________________ Maximum marks : 45Batch No. :_____________________ Maximum Time : 30 minutes

* Each uestion carries 3 marks and !" mark #i$$ %e a#arded for each #ron& ans#er in thecase of o%'ecti(e uestions on$).

1. Select the slower reaction.

(A)Br

3

3

NaSCH

CH OH

SCH3

(B) both take place at same rate.

(C)

Br OCH33

3

NaOCH

CH OH

(D) None

2. Select the slower reaction.

(A)

Br

2

3 3

C H O

C H C C H

O

P

OC2H

Br (B) both take place at same rate.

(C)Br OCCH3

Br

O

3

3 3

CH C O

O

C H C CH

O

P

P

(D) None

3. Select the molec!le that reacts slowest in an NS 2 reaction.

(A)Br

(B)3CH OH

(C) OSO2C"3 (D)3 2CH CH Br

#. $hich reaction is %aster

(A)

Cl SH

&iSH

'tOH(

(B) both take place at same rate.

(C)) SH

&iSH

'tOH(

(D) None

. $hich will !n*er+o %aster NS 1reaction

(A) 3 3(CH ) C " (B) 3 3(CH ) C Cl

(C) 3 3(CH ) C Br (D) 3 3(CH ) C

,.

C C

HO

H3CH

CH3

H

Br

(A)

OH

$hat is the %inal pro*!ct %orme* in the abo-e reaction an* what is the con%i+!ration o% thepro*!ct i% the compo!n* (A) has S con%i+!ration.

/.C OH

H3C

CH2CH3

H

( 0 Con%i+!ration)

S

O

ClCl

pri*ine

........................................................

........................................................

$hat are the con%i+!ration o% pro*!cts %ormin+ in the abo-e reactions.

5/27/2018 Alkyl Halide (Quiz Cum Practice Test)

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. H

Br

H

D

HH

CH3

H

OH

'2

.$hat pro*!ct is %orme* in the abo-e reaction.

4. $hat is the increasin+ or*er o% reacti-it o% alkl hali*e towar*s elimination

(A)o o o

3 1 2> > (B)o o o

1 2 3> >(C) o o o3 2 1> > (D) o o o2 1 3> >

15. 1 chloro 1 2 *iphenl ethane reacts with n!cleophile " an* 2 3(C H ) N e6actl the samerate beca!se

..

11. (A) H3CH2C CH

CH2CH3

C

CH2CH3

Cl

CH2CH3

O't

'2

....................................

(B)

H3C CH

CH3

C

CH3

Cl

CH3

O't

'2

....................................

$hat pro*!cts are %orme* in the abo-e reaction an* in which case rate o% reaction is %ast7

12.

8e C

8e

CH2Br

8e

o

O't

at 2 C 9

:

oO'tat 5 C

eactions 9 an* : are

(A) NS 1 '1 (B) NS 2 '2

(C) NS 1 '2 (D) NS 2 '1

Match the fo$$o#in&

Section + , Section ! B

13. NCH3 CH3

OH

(a) NS 1

1#.

Cl

3't N

D8SO

(b) NS 2

1. O C CH

H

H

CH8e

OH

'tO

(c) '1

So$ution 13 1# .....

1

(*) '2

(e) '1 CB

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5/27/2018 Alkyl Halide (Quiz Cum Practice Test)

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