Hydrocarbons MCQ for Class 11 Chemistry Chapter 13 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Chemistry book Chapter 13 Hydrocarbons with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 11 Chemistry Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Hydrocarbons. Each Questions has four options followed by the right answer. Download the Chemistry Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 11 Chemistry with Answers

Q1. Hydrocarbon containing following bond is most reactive

(i) C ≡ C
(ii) C = C
(iii) C – C
(iv) All of these

(i) C≡C

Q2. An organic compound has a triple bond and not double bond. It can be test by

(i) Bromine water
(ii) Baeyer reagent
(iii) Fehling solution
(iv) Ar nonical silver nitrate

(iv) Ar nonical silver nitrate

Q3. The position of double bond in alkenes can be located by :

(i) Hydrogenation of oil
(ii) Ozonolysis
(iii) Photolysis
(iv) Hydration

(ii) Ozonolysis

Q4. LPG mainly contains

(i) butane
(ii) ethane
(iii) methane
(iv) ethyne

(i) butane

Q5. Reaction of HBr with propene in the presence of peroxide gives:

(i) 3 – Bromo propane
(ii) Allyl bromide
(iii) n – Propyl bromide
(iv) Isoproyl bromide

(iii) n – Propyl bromide

Q6. Tetrabromoethane on heating with Zn gives

(i) Ethyl bromide
(ii) Ethane
(iii) Ethene
(iv) Ethyne

(iv) Ethyne

Q7. Which of the following compounds will exhibit geometrical isomerism?

(i) 1 – Phenyl – 2 – butene
(ii) 3 – Phenyl – 1 – butene
(iii) 2 – Phenyl – 1 butene
(iv) 1, 1 – Diphenyl – propene .

(i) 1 – Phenyl – 2 – butene

Q8. The number of primary, secondary and tertiary carbons in 3, 4-dimethylheptane are respectively

(i) 4, 3 and 2
(ii) 4, 2 and 3
(iii) 2, 3 and 4
(iv) 3, 4 and 2

(i) 4, 3 and 2

Q9. The lowest alkene, that is capable of exhibiting geometrical isomerism is

(i) Ethene
(ii) But – 1- ene
(iii) But – 2 – ene
(iv) Propene

(iii) But – 2 – ene

Q10. The treatment of benzene with isobu.ene in the presence of sulphuric acid gives

(i) Isobutyl benzene
(ii) Tert-butyl benzene
(iii) n-Butyl benzene
(iv) No reaction

(ii) Tert-butyl benzene

Q11. Pure methane can be prepared by

(i) Soda lime decarboxylation
(ii) Kolbes electrolytic method
(iii) Wurtz reaction
(iv) Reduction with H2

(i) Soda lime decarboxylation

Q12. The number of 4° carbon atoms in 2,2,4,4-tetramethyl pentane is –

(i) 2
(ii) 4
(iii) 1
(iv) 3

(i) 2

Q13. Propyne on polymerization yields

(i) Mesitylene
(ii) Benzene
(iii) Ethyl benzene
(iv) Propyl benzene.

(i) Mesitylene

Q14. Which of the following compounds will exhibit geometrical isomerism?

(i) 1-pheny 1-2-butene
(ii) 3-phenyl-1-butene
(iii) 2-phenyl-1-butene
(iv) 1,1-diphenyl-1-propene

(i) 1-pheny 1-2-butene

Q15. Which of the following compounds exhibits steroisomerism?

(i) 2-methyl butene-1
(ii) 3-methyl butyne-1
(iii) 3-methylbutanoic acid
(iv) 2-methylbutanoic acid

(iv) 2-methylbutanoic acid

Q16. The angle strain in cyclobutane is

(i) 24°44
(ii) 29°16
(iii) 19°22
(iv) 9°44

(iv) 9°44

Q17. Which one of the following has highest boiling point?

(i) n-Octane
(ii) Iso-octan
(iii) 2,2 dimethyl pentane
(iv) All have equal values

(i) n-Octane

Q18. Among the following compounds the one that is most reactive towards electrophilic nitration is

(i) Toluene
(ii) Benzene
(iii) Benzoic Acid
(iv) Nitrobenzene

(i) Toluene

Q19. The coal tar fraction which contains phenol is:

(i) Heavy Oil
(ii) Light Oil
(iii) Middle Oil
(iv) Green Oil

(iii) Middle Oil

Q20. Which one of the following gives only one monochloro derivative?

(i) neo-pentane
(ii) 2-methylpentane
(iii) n-hexane
(iv) 2, 3-dimethylpentane

(i) neo-pentane

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Hydrocarbons MCQ Questions for Class 11 Chemistry Chapter 13 with Answers