T4Tutorials .PK

Hydrocarbons MCQs

1. . The oxides of carbon, carbonates, bicarbonates and cyanides are not studied in

(A) None


(B) Inorganic chemistry


(C) Vital force theory


(D) Organic chemistry




2. . -are also called aliphatic or acyclic compounds

(A) Heterocyclic


(B) Closed chain


(C) Open chain


(D) Homocyclic




3. . -are also called cyclic compounds

(A) Open chain


(B) Closed chain


(C) Heterocyclic


(D) Homocyclic




4. . The process in which a base reacts with oil and forms soap is called

(A) Halogenation


(B) Oxidation


(C) Neutralization


(D) Saponification




5. . The compound containing at least one benzene ring are called

(A) Acyclic


(B) Closed chain


(C) Heterocyclic


(D) Aromatic




6. . The addition reactions are shown by

(A) Ethane


(B) Methane


(C) Alkenes


(D) Propene




7. . The double bonded hydrocarbon names end

(A) ane


(B) ene


(C) yne


(D) yl




8. . The general formula of alkanes is

(A) CnH2n-2


(B) CnH2n+1


(C) CnH2n


(D) CnH2n+2




9. . The general formula of alkenes is

(A) CnH2n


(B) CnH2n+2


(C) CnH2n+1


(D) CnH2n-2




10. . The general formula of alkynes is

(A) CnH2n+2


(B) CnH2n-2


(C) CnH2n+1


(D) CnH2n




11. . The general formula of benzene is

(A) C4H4


(B) C6H6


(C) C4H5


(D) C4H4




12. . The addition of hydrogen to benzene may give compound hydrocarbons

(A) Pentane


(B) Butane


(C) Hexane


(D) Cyclohexane




13. . Decarboxylation of sodium salt of acetate gives the product

(A) Alkane


(B) Ethane


(C) Alkene


(D) Propane




14. . The olefin in the following

(A) Ethane


(B) Ethene


(C) Propane


(D) Methane




15. . The methyl radical in the following

(A) Propane


(B) C2H3-


(C) CH3-


(D) C2H7-




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