JEE  >  Chemistry 35 Years JEE Main & Advanced Past year Papers  >  Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced

Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE

1 Crore+ students have signed up on EduRev. Have you?

Fill in the Blanks

1. The halogen which is most reactive in the halogenation of alkanes under sunlight is ................. . (chlorine, bromine, iodine) (1981 - 1 Mark)
 Ans: 
chlorine

Solution : Chlorine; because rate of formation of CH3 (one of the propagating steps) is high when X is Cl.
CH4 + XCH3 + H – X

2

. The compound prepared by the action of magnesium on dry ethyl bromide in ether is known as ............. reagent. (1982 - 1 Mark)
 Ans:  
Grignard

Solution : Grignard (RMgX)

 

3. The interaction of elemental sulphur with Grignard reagent gives .............. . (1991 - 1 Mark)
 Ans: 
Thioalcohol

Solution : Thioalcohol

4. Vinyl chloride on reaction with dimethyl copper gives ............... . (1997 - 1 Mark)
 Ans : 
polyvinyl chloride

Solution : polyvinyl chloride

 

True/False

1. m-Chlorobromobenzene is an isomer of m-bromochlorobenzene. (1985 - ½ Mark)
 Ans:  
False

Solution : False : m-Chlorobromobenzene and m-bromochlorobenzene is one and the same compound.

 

2. The reaction of vinyl chloride with hydrogen iodide to give 1-chloro-1-iodoethane is an example of anti-Markovnikov’s rule.    (1989 - 2 Marks)

Ans:  False

Solution : 
Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE
This is an example of Markownikoff’s rule as I is added at the C with less number. of H-atoms.
NOTE : anti-Markonikov's rule is applicable only to HBr, but not to HI and HCl.

The document Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE is a part of the JEE Course Chemistry 35 Years JEE Main & Advanced Past year Papers.
All you need of JEE at this link: JEE
142 docs|66 tests
Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code
142 docs|66 tests
Download as PDF

Download free EduRev App

Track your progress, build streaks, highlight & save important lessons and more!

Related Searches

Exam

,

pdf

,

Viva Questions

,

ppt

,

Summary

,

Objective type Questions

,

Extra Questions

,

Previous Year Questions with Solutions

,

Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE

,

video lectures

,

shortcuts and tricks

,

Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE

,

Sample Paper

,

Semester Notes

,

practice quizzes

,

Free

,

study material

,

MCQs

,

past year papers

,

Important questions

,

Fill in the Blanks: Haloalkanes & Haloarenes | JEE Advanced - Notes | Study Chemistry 35 Years JEE Main & Advanced Past year Papers - JEE

,

mock tests for examination

;