12 Class CHEMISTRY CHAPTER NO.10 ALKYL HALIDES Online Quiz MCQs Test

12 Class CHEMISTRY CHAPTER NO.10 ALKYL HALIDES Online Quiz MCQs Test

GRADE 12 – CHEMISTRY – CHAPTER NO. 10 – ALKYL HALIDES – Online MCQs Board, MDCAT, UHS, PMC & ECAT Exam Preparation

CHEMISTRY – 2nd Year
Chapter Name : ALKYL HALIDES
Chapter No. 10
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.








Book Name :  CHEMISTRY
Chapter No.  10
Chapter Name : ALKYL HALIDES
Total MCQ from Text Book :  41 
Book Version  : 2022
Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc. Intermediate)
Total Marks : 41
Total Time :   41 minutes




245

GRADE 12 - CHEMISTRY - CHAPTER NO. 10 - ALKYL HALIDES

GRADE 12 - CHEMISTRY - CHAPTER NO. 10 - ALKYL HALIDES

1 / 41

The RODER OF REACTivity of alkyl halides towards nucleophile is: (UHS 2013)

2 / 41

The average bond energy of C-Br is: (UHS 2016)

3 / 41

What is the order of increasing reactivity of alkyl halides? (UHS 2018)

4 / 41

In primary alkyl halides the halogen atom attadched to a carbon atom which is further attached to how many carbon atoms?

5 / 41

In elimination reaction, alcoholic KOH is used, OH- in this case will act as (UHS 2017)

6 / 41

Reaction OF CO2 with ethyl magnesium bromide, followed by acid hydrolysis produce: (MTN 2019)

7 / 41

Grignard reagents are prepared by the reaction of magnesiujm metal with alkyl halides in the presence of (UHS 2010)

8 / 41

Which one of the following is NOT a nucelophile: (UHS 2016)

9 / 41

Select the nucleophile from the following examples: (UHS 2013)

10 / 41

When CO2 is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the produc formed is:

11 / 41

The common name of 2-Chloro-2-methylpropane is: (LHR 2013)

12 / 41

For which mechanism, the first step involved is the same (MTN 2015)(DGK 2015,2018,2019 GII)(LHR 2016,2018)(DGK 2018)(SGD,BWP 2017,2019)(BWP 2017,2019 GII)

13 / 41

How many isomers are possibl for C2H2Cl2? (ECAT 2013)

14 / 41

Alkyl halides are considered to be very reactive compounds towards nucleophiles, because:

15 / 41

Consider the following reaction: C2H5OH + PCl5 → ? What product(s) may be formed?

16 / 41

The compound with an atom, which has unshared pair of electrons is called: (UHS 2011)

17 / 41

In SN2 mechanism, the hybridization of carbon atom changes from sp2 to (AJK 2014)

18 / 41

The reactivity order of alkyl halides for a particular alkyl group is:

19 / 41

In primary alkyl halides the halogen atom attadched to a carbon atom which is further attached to how many carbon atoms?

20 / 41

Elimnation bimolecular reactions involve kinetics (MTN 2015)(SWL 2018)(LHR 2019)

21 / 41

When CH3-CH2OH is made to react with Grignard's reagent the product formed is: (DGK 2010)

22 / 41

Reaction of following with Grignard's reagent can give primary alcohol: (LHR 2016)

23 / 41

H3O+ has one lone pair of electrons on oxygen. It cannot act as: (MTN 2015)

24 / 41

SN2 reactions can be best carried out with (BWP 2014)

25 / 41

The rate of E1 reaction depends upon: (RWP 2018)

26 / 41

When purely alcoholic solution of sodium/potassium hydroxide and halogenoalkanes are reacted an alkens is formed, what is the mechnaism of reaction? (UHS 2011)

27 / 41

Which one of the Following is not nucleophile (DGK 2014)(RWP,BWP 2015)(FDS 2017)(MTN 2018)(SWL, AJK 2019)

28 / 41

SN2 reactions can be best carried out with (SWL 2015)(SGD, DGK,RWP 2017)(MTN 2019 GII)

29 / 41

Primary ALCOhol is obtained by treating Grignard Reagent with: (SGD 2014)

30 / 41

Elimination bimolecular reactions involve: (MTN, AJK 2017)

31 / 41

Elimination bimolecular reactions involve: (GWR 2016)(MTN 2015, 2017)(SWL 2018)(LHR 2019)

32 / 41

Which of the following is not a nucleophile? (MTN, FSD 2017, 2018)(SWL, AJK 2019)

33 / 41

The order of a typical SN2 reaction is (FSD 2010)

34 / 41

In subsititution reactions, dihaloalkane or secondary halogenoalkane give/show: (UHS 2012)

35 / 41

For which mechanism, the first step involved is the same (FSD 2015)(LHR 2017)(DGK 2018)(RWP,BWP 2019)

36 / 41

Ethyl Magnesium bromide reacts with water to form: (LHR 2015)

37 / 41

During SN2 reactions, configuration of the alkyl halid molecule: (UHS 2010)

38 / 41

Grignard reagnet is reactive due to: (LHR 2017 GI) (DGK 2019)

39 / 41

Grignard reagnet is reactive due to: (LHR 2015) (DGK, FSD 2019)(BWP 2015)(SGD 2018,2019 GII)

40 / 41

Druing the SN1 reaction, the fast reaction involves (UHS 2017)

41 / 41

The reaction CH3Br + OH- → CH3OH + Br- is best described by? (ECAT 2013)

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