CBSE Class 11 Chemistry Chapter 13 Hydrocarbons Multiple Choice Questions with Answers. MCQ Questions Class 11 Chemistry Hydrocarbons with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Chemistry Hydrocarbons MCQs with Answers to know their preparation level.
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MCQ Questions Class 11 Chemistry Hydrocarbons with Answers - Set - 4
Question 1:
Question. Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form
(a) chlorobenzene
(b) benzyl chloride
(c) xylene
(d) toluene.
Correct Answer – (D)
Question 2 :
Question. Which of the following compounds will not undergo Friedel-Crafts reaction easily?
(a) Nitrobenzene
(b) Toluene
(c) Cumene
(d) Xylene
Correct Answer – (A)
Question 3 :
Question. The oxidation of benzene by V2O5 in the presence of air produces
(a) maleic anhydride
(b) benzoic acid
(c) benzaldehyde
(d) benzoic anhydride.
Correct Answer – (A)
Question 4 :
Question. When acetylene is passed through dil. H2SO4 in thepresence of HgSO4, the compound formed is
(a) acetic acid
(b) ketone
(c) ether
(d) acetaldehyde.
Correct Answer – (D)
Question 5 :
Question. Acetylenic hydrogens are acidic because
(a) sigma electron density of C – H bond in acetylene is nearer to carbon, which has 50%s-character
(b) acetylene has only open hydrogen in eachcarbon
(c) acetylene contains least number of hydrogens among the possible hydrocarbons having twocarbons
(d) acetylene belongs to the class of alkynes with molecular formula, CnH2n–2.
Correct Answer – (A)
MCQ Questions Class 11 Chemistry Hydrocarbons with Answers
Question 6 :
Question. Among the following compounds the one that is most reactive towards electrophilic nitration is
(a) benzoic acid
(b) nitrobenzene
(c) toluene
(d) benzene.
Correct Answer – (C)
Question 7 :
Question. Some meta-directing substituents in aromaticsubstitution are given. Which one is most deactivating?
(a) — COOH
(b) — NO2
(c) — C≡ N
(d) — SO3H
Correct Answer – (B)
Question 8 :
Question. Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds?
(1) CH3 – C C – CH3
(2) CH3 – CH2 – CH2 – CH3
(3) CH3 – CH2C≡ CH
(4) CH3 – CH= CH2
(a) Bromine in carbon tetrachloride
(b) Bromine in acetic acid
(c) Alk. KMnO4
(d) Ammoniacal silver nitrate
Correct Answer – (D)
Question 9 :
Question. Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?
(a) CH3 — CH= CH — CH3
(b) CH3 — C≡ C — CH3
(c) CH2 CH — CH2 — C≡ CH
(d) CH3 — CH2 — CH2 — CH3
Correct Answer – (B)
Question 10 :
Question. The shortest C–C bond distance is found in
(a) diamond
(b) ethane
(c) benzene
(d) acetylene.
Correct Answer – (D)
- NCERT Solutions Class 11 Chemistry Chapter 1 : Some Basic Concepts of Chemistry
- NCERT Solutions Class 11 Chemistry Chapter 2 : Structure Of The Atom
- NCERT Solutions Class 11 Chemistry Chapter 3 : Classification of Elements and Periodicity in Properties
- NCERT Solutions Class 11 Chemistry Chapter 4 : Chemical Bonding and Molecular Structure
- NCERT Solutions Class 11 Chemistry Chapter 5 : States of Matter
- NCERT Solutions Class 11 Chemistry Chapter 6 : Thermodynamics
- NCERT Solutions Class 11 Chemistry Chapter 7 : Equilibrium
- NCERT Solutions Class 11 Chemistry Chapter 8 : Redox Reactions
- NCERT Solutions Class 11 Chemistry Chapter 9 : Hydrogen
- NCERT Solutions Class 11 Chemistry Chapter 10 : The s-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 11 : The p-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 12 : Organic Chemistry: Some Basic Principles and Techniques
- NCERT Solutions Class 11 Chemistry Chapter 13 : Hydrocarbons
- NCERT Solutions Class 11 Chemistry Chapter 14 : Environmental Chemistry
