MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes Part-1 with Answers

Haloalkanes and Haloarenes Part-1 Class 12 Chemistry MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes Part-1 with Answers Pdf free download. MCQ Questions for Class 12 Chemistry with Answers were prepared based on the latest exam pattern. We have Provided Haloalkanes and Haloarenes Part-1 Class 12 Chemistry MCQs Questions with Answers to help students understand the concept very well.

Class 12 Chemistry Chapter 10 Quiz

Class 12 Chemistry Chapter 10 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Chemistry Chapter 10 Haloalkanes and Haloarenes Part-1 to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Haloalkanes and Haloarenes Part-1 Class 12 Chemistry MCQ online test

Q1.	Good conductor of electricity and heat is
	A.Anthracite coke
	B.Diamond
	C.Graphite
	D.Charcoal

Ans: Graphite

Q2.	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

Ans: Graphite

Q3.	The hybridisation of carbon in diamond is
	A.sp³
	B.sp²
	C.sp
	D.dsp²

Ans: sp³

Q4.	Organic compound must contain an element
	A.oxygen
	B.carbon
	C.hydrogen
	D.nitrogen

Ans: carbon

Q5.	Alkene gives which of the following reactions?
	A.Addition reaction
	B.Substitution reaction
	C.Both (a) and (b)
	D.None of these

Ans: Both (a) and (b)

Q6.	Single bond length between carbon-carbon is
	A.1.34 Å
	B.1.20 Å
	C.1.54 Å
	D.none of these

Ans: 1.54 Å

Q7.	Valency of carbon is
	A.1
	B.2
	C.3
	D.4

Ans: 4

Q8.	Criteria for purity of organic solid is
	A.boiling point
	B.melting point
	C.specific gravity
	D.none of these

Ans: melting point

Q9.	General formula of Alkene is
	A.C_nH_2n
	B.C_nH_2n+2
	C.C_nH_2n-2
	D.none of these

Ans: C_nH_2n

Q10.	Hybridisation of carbon in ethane is
	A.sp³
	B.sp²
	C.sp
	D.sp³d²

Ans: sp³

Q11.	Number of π bonds in ethyne is
	A.1
	B.2
	C.3
	D.4

Ans: 2

Q12.	The compound having general formula C_nH_2n+2 is
	A.Alkene
	B.Alkyne
	C.Alkane
	D.none of these

Ans: Alkane

Q13.	Which of the following is not correctly matched with its IUPAC name?
	A.CHF₂CBrClF : 1-Bromo-1-chIoro-1, 2, 2-trifluoroethane
	B.(CCl₃)₃CCl : 2-(Trichloromethyl)-1, 1, 2, 3, 3-heptachloropropane
	C.CH₃C (p-ClC₆H₄)₂CH(Br)CH₃ : 2-Bromo-3, 3-bis (4- chlorophenyl) butane
	D.o-BrC₆H₄CH (CH₃) CH₂CH₃ : 2-Bromo-l- methylpropylbenzene

Ans: (CCl₃)₃CCl : 2-(Trichloromethyl)-1, 1, 2, 3, 3-heptachloropropane

Q14.	The negative part of the addendum (the molecule to be added) adds on the carbon atom of the double bond containing the least number of hydrogen atoms. This rule is known as
	A.Saytzeffs rule
	B.Peroxide rule
	C.Markovnikov’s rule
	D.van’t hoff rule

Ans: Markovnikov’s rule

Q15.	Which of the following compounds can yield only one monochlorinafed product upon free radical chlorination?
	A.2, 2-Dimethylpropane
	B.2-Methylpropane
	C.2-Methylbutane
	D.n-Butane

Ans: 2, 2-Dimethylpropane

Q16.	The reaction is an example of
	A.nucleophilic addition
	B.free radical addition
	C.electrophilic addition
	D.electrophilic substitution

Ans: electrophilic addition

Q17.	Bromination of methane in presence of sunlight is a
	A.nucleophilic substitution
	B.free radical substitution
	C.electrophilic substitution
	D.nucleophilic addition

Ans: free radical substitution

Q18.	Which of the following reactions follows Markovnikov’s rule?
	A.C₂H₄ + HBr
	B.C₃H₆ + Cl₆
	C.C₃H₆ + HBr
	D.C₃H₆ + Br₂

Ans: C₃H₆ + HBr

Q19.	The reaction of toluene with chlorine in presence of FeCl₃ gives predominantly.
	A.amixture of o-and p-chlorotoluene
	B.benzyl chloride
	C.m-chlorotuluene
	D.benzoyl chloride