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
MULTIPLE CHOICE QUESTIONS (MCQ’s)
(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:
(А) CH3CI
(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