Fsc Chemistry Unit 8 2nd Year MCQs From Past Papers

Fsc chemistry unit 8 solved MCQs from past papers of 2nd year. FSC part 2 chemistry unit Aliphatic Hydrocarbons MCQs with the answer.  These multiple-choice questions are collected from past papers 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023.

Fsc Chemistry Unit 8 2nd Year MCQs

(From Previous Board Papers 2014-2015-2016-2017-2018)
1. Which one of the following gases is used for the artificial ripening of fruits?
(A) Methane
(B) Ethene
(C) Ethane
(D) Propane

2. The presence of a double bond in a compound is the sign of: (DGK. GII, SGD. 2014)(SGD. GII, AJK, 2015)LHR. GII, AJK. 2016)(SGD. GII, DGK. GII, SWL. RWP. GI, 2013
(A) Saturation
(B) Un-saturation
(C) Substitution
(D) None of these

3. The catalytic oxidation of methane produces:
(A) CO + H2O
(B CO2 + H20
(C) Cz+H2O
(D) H, C-OH

4. Synthetic rubber is made by polymerization of: (LHR. GI, 2016
(A) Chloroprene
(B) Chloroform
(C) Acetylene
(D) Divinyl acetylene

5. The general formula for Alkanes is: (LHR. GII, 2014
(A) C H2n+1
(C) CH2n-2
D C H2n+2

6. Formula of chloroform is: (FBD. GII, BWP. RWP. MLN. GI, 2014)(LHR. GI&II, RWP. 2015)(DGK. GII, 2016)(DGK. GI, GRW.GI, 2017
(B) CCl4
(C) CH2Cl2
(D) CHCl3

7. Preparation of vegetable ghee involves: (RWP. GRW, 2014)(MTN. GI, MTN, GII, SWL. 2016)(LHR. GI, 2017
(A) Halogenation
(B) Hydrogenation
(C) Hydroxylation
(D) Dehydrogenation

8. Diffused CH4 + Cl2 Sunlight product is: (LHR-GI-11
(A) Chloroform only
(B) Carbon tetrachloride
(C) CH2Cl + CH2Cl2
(D) Mixture of A, B, C

9. Preparation of vegetable ghee involves: (LHR. GI, 2017
(A) Halogenation
(B) Hydrogenation
(C) Hydroxylation
(D) Dehydrogenation

10. The general formula for Alkene having one double bond is: (GRW. GII, 2014
(A) C H2n+1
(B) CH2n
(C) C H2n-2

11. B-B dichloro ethyl sulfide is commonly known as: (LHR. GII, SGD. GI, SGD, GII, GUJ. 2014)(FBD. 2016)(MLN. GII, 2017) (SWL, SGD, GI, 2018
(A) Mustard gas
(B) Laughing gas
(D) Bio-gas

12. One of the following molecules is sp2 hybridized:
(A) CH3-CH3
(B) CH2=CH2
(C) CH = CH
(D) CH4

13. Which one is not property or use of mustard gas?
(A) Used in Ist world war
(B) Powerful vesicant
(C) High boiling liquid

Chloroprene is used for making:
(B) Petrol
(D) Liquid fuel

15. Vinyl acetylene react with HCl to form. (BWP. GI, 2014
(A) Rubber
(B) Benzene
(C) Chloroprene
(D) Divinylacetylene

Which compound is the most reactive? (GRW. GI, 2012
(A) Benzene
(B) Ethene

The formula of chloroform is:
(B) CC14

Synthetic rubber is made by polymerization of (RWP, 2014)(LHR. GII, LHR. GI, RWP. 2015)(FBD. DGK. GI, 2016)
(C) Ethane
(D) Ethyne
(C) CH2Cl2
(D) Ethyne

The addition of water to acetylene takes place in presence of: (LHR. GII, 2018)
(A) Ni
(B) HgSO /H,SO
(C) ZnCl2

Characteristic reactions of Alkenes are: (RWP. 2018)
(A) Nucleophilic addition
(B) Electrophilic addition
(C) Nucleophilic substitution
(D) Free radical substitution

Which one of these polymers is a synthetic polymer?
(A) Animal fat
(B) Starch
(C) Cellulose
(D) Polyester

When 1-chloropropane is reacted with alcoholic KOH, the product obtained is? (AJK. 2018)
(A) Propane
(B) Propene
(C)P ropy He
(D) Butane


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