MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes with Answers

by

Are you guys looking for NCERT MCQ Questions for Class 12 Chemistry with Answers PDF Free Download as per CBSE new exam pattern ? You came to the right page. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 12 Chemistry. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

Q.1 Good conductor of electricity and heat is

(a) Anthracite coke
(b) Diamond
(c) Graphite
(d) Charcoal

(c) Graphite

Q.2 In which of the following allotropes of carbon, percentage of carbon is maximum?

(a) Wood charcoal
(b) Coconut charcoal
(c) Graphite
(d) None of these

(c) Graphite

Q.3 The hybridisation of carbon in diamond is

(a) sp3
(b) sp2
(c) sp
(d) dsp2

(a) sp3

Q.4 Organic compound must contain an element

(a) oxygen
(b) carbon
(c) hydrogen
(d) nitrogen

(b) carbon

Q.5 Alkene gives which of the following reactions?

(a) Addition reaction
(b) Substitution reaction
(c) Both (a) and (b)
(d) None of these

(c) Both (a) and (b)

Q.6 Single bond length between carbon-carbon is

(a) 1.34 Å
(b) 1.20 Å
(c) 1.54 Å
(d) none of these

(c) 1.54 Å

Q.7 Valency of carbon is

(a) 1
(b) 2
(c) 3
(d) 4

(d) 4

Q.8 Criteria for purity of organic solid is

(a) boiling point
(b) melting point
(c) specific gravity
(d) none of these

(b) melting point

Q.9 General formula of Alkene is


(a) CnH2n
(b) CnH2n+2
(c) CnH2n-2
(d) none of these

(a) CnH2n

Q.10 Hybridisation of carbon in ethane is

(a) sp3
(b) sp2
(c) sp
(d) sp3d2

(a) sp3

Q.11 Number of π bonds in ethyne is

(a) 1
(b) 2
(c) 3
(d) 4

(b) 2

Q.12 The compound having general formula CnH2n+2 is

(a) Alkene
(b) Alkyne
(c) Alkane
(d) none of these

(c) Alkane

Q.13 SN1 reaction of alkyl halides lead to

(a) Retention of configuration
(b) Racemisation
(c) Inversion of configuration
(d) None of these

(b) Racemisation

Q.14 p-djchlorobenzene has higher melting point than its o- and m- isomers because

(a) p-dichlorobenzene is more polar than o- and m- isomer.
(b) p-isomer has a symmetrical crystalline structure.
(c) boiling point of p-isomer is more than o- and m-isomer.
(d) All of these are correct reasons.

(b) p-isomer has a symmetrical crystalline structure.

Q.15 Chloropicrin is formed by the reaction of

(a) steam on carbon tetrachloride.
(b) nitric acid on chlorobenzene.
(c) chlorine on picric acid.
(d) nitric acid on chloroform.

(d) nitric acid on chloroform.

Q.16 Fitting reaction can be used to prepare

(a) Toluene
(b) Acetophenon
(c) Diphenyl
(d) Chlorobenzene

(c) Diphenyl

Q.17 Which of the following is an example of vic-dihalide?

(a) Dichloromethane
(b) 1,2-dichloroethane
(c) Ethylidene chloride
(d) Ally l chloride

(b) 1,2-dichloroethane

Q.18 The position of -Br in the compound in CH3CH=CHC(Br)(CH3)2 can be classified as

(a) Allyl
(b) Aryl
(c) Vinyl
(d) Secondary

(a) Allyl

Q.19 Ethylidene chloride is a/an

(a) vic-dihalide
(b) gem-dihalide
(c) allylic halide
(d) vinylic halide

(b) gem-dihalide

Q.20 A primary alkyl halide would prefer to undergo

(a) SN1 reaction
(b) SN2 reaction
(c) α-Elimination
(d) Racemisation

(b) SN2 reaction

Chemistry MCQ Questions for Class 12 with Answers

Practicing NCERT Chemistry MCQs With Answers Pdf Class 12 is one of the best ways to prepare for the CBSE Class 12 board exam. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. If you have any queries regarding The Solid State CBSE Class 12 Chemistry MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Leave a Comment