Chemistry 2nd year mcqs chapter 10

Learn 2nd Year Chemistry MCQs With Answers Chapter 10 Alkyl halides along  for both Entry Test and Board Exams.

IMPORTANCE OF THESE MCQS

It is tough and difficult task to solve 2nd year chemistry mcqs . Students must have proper preparation of 2nd year chemistry mcqs for excellent marks in chemistry 12. All the important mcqs related to chapter 10 alkyl halides of 2nd year Chemistry are here for you. These questions are taken from past papers of 2nd year chemistry of all Punjab Board of Pakistan as ;

Bahawalpur Board

D.G.Khan Board

Faisalabad Board

Gujranwala Board

Lahore Board

Multan Board

Rawalpindi Board

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These questions (MCQs) are top repetitive in previous papers. Each question has a detailed answer explanation. In this way you learn from your mistakes

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About This Chapter

Chapter no. 10 "Alkyl Halides" of Chemistry 2nd year enables the students to expert in nomenclature of primary, secondary and tertiary alkyl halides. Students learn preparation of alkyl halides. Students learn the reactivity of C-X bond. Students learn nucleophilic substitution and elimination reactions of alkyl halides. Students learn the preparation of Grignard's reagent and its synthetic applications in organic chemistry. This "Chemistry 2nd year mcqs chapter 10" covers all important mcqs that are top repetitive in past papers relevant to above mentioned topics.

👉For Answers of following questions click the show answer button.

1. SN2 reactions can be carried out with

(A) Primary alkyl halide

(B) Tertiary alkyl halide

(C) Secondary alkyl halide

(D) All of these

(A) Primary alkyl halide

2. Which of the one is best Nucleophile?

(A) H₂O

(B) NH₃

(C) C₂H₅O^-

(D) NO

(C) C₂H₅O^-

3. For which mechanisms, the fist step involved is the same ?

(A) E1 and E2

(B) SN1 and SN2

(C) E1 and SN2

(D) E2 and SN2

(D) E2 and SN2

4. In tertiary alkyl halides, the halogen atom is attached to a ca carbon which is further attached to how many carbon atoms?

(A) One

(B) Two 

(C) Three

(D) Four

(C) Three

5. The most reactive alkyl halide is:

(A) Alkyl iodide

(B) Alkyl bromide

(C) Alkyl fluoride

(D) Alkyl chloride

(A) Alkyl iodide

6. Grignard's reagent is reactive due to the presence of 

(A) Mg atom

(B) Halogen atom

(C) Hg atom

(D) None of above

(A) Mg atom

7. Elimination bimolecular reactions involve?

(A) First order kinetics

(B) 2nd order kinetics

(C) 3rd order kinetics

(D) 4th order kinetics

(C) 3rd order kinetics

8. SN₂ reaction can be best carried out with:

(A) Primary alkyl halide

(B) Secondary alkyl halide

(C) Tertiary alkyl halide

(D)  All of above

(A) Primary alkyl halide

9. When CO2 is made to react with ethyl magnesium bromide, followed by acid hydrolysis , the product formed is:

(A) Propane

(B) Propanal

(C) Propanol

(D) Propanoic Acid

(D) Propanoic Acid

10. Halogen derivatives of alkanes are known as

(A) Carboxylic Acids

(B) Aldols

(C) Alkyl halides

(D) Aryl halides

(C) Alkyl halides

11. What is the shape of carbanion?

(A) Linear

(B) Tetrahedral

(C) Planar

(D) Pyramidal

(C) Planar

12. An alkyl halide can be converted into respective alkene by:

(A) Dehydration  

(B) Substitution

(C) Elimination

(D) Addition

(C) Elimination

13. Electrophile among the following is:

(A) NH₃

(B) H₂O

(C) Cl₂

(D) BF₃

(D) BF₃

14. Which of the following do not form Grignard's reagent?

(A) CH₃I

(B) CH₃Br

(C) CH₃F

(D) CH₃Cl

(C) CH₃F

15. Grignard's reagent undergoes

(A) Nucleophilic substitution

(B) Nucleophilic addition

(C) both of these

(D) none of these

(C) both of these

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