Chemistry Of Hydrocarbons - Chapter No 15 Right Answers have been shown below in red color. 1. The compounds which consist of hydrogen and carbon are called ___________ .a) Hydrocarbons b) Carbon c) Organic d) Inorganic 2. n-butane is the example of ________.a) Propane b) Hydrocarbonc) Alkenes d) Butyne 3. The saturated hydrocarbons are the compounds of hydrogen and carbon which have________.a) All double bonds b) All triple bonds c) All single bonds d) None of these 4. Alkenes and cycloalkenes are examples of ________.a) Unsaturated hydrocarbons b) Aromatic hydrocarbonsc) Simple hydrocarbons d) Saturated hydrocarbon 5. Alkanes are also called _________.a) Paraffins b) Hydrocarbonsc) Organic compounds d) None of these 6. Alkenes have at least one Carbon–Carbon ________ bond.a) Single b) Double c) Triple d) None of these 7. Alkynes have at least one carbon-carbon ________ bond.a) Triple b) Double c) Single d) None of these 8. Methane is also called ________ gas.a) Hydrogen b) Nitrogen c) Marsh d) Simple 9. The natural gas contains ________ methane.a) 85-90% b) 80-85% c) 75-80% d) 70-75% 10. The laboratory preparation of methane is given as ________. 11.The boiling point of methane is ___________.a) -162ºC b) -192ºCc) 202ºC d) 702ºC 12. Methane is ________ in water.a) Reactive b) Soluble c) Insoluble d) None of these 13. The formula for dichloro methane is _______.a) CH2 Cl2 b) CH3 Cl2C) CH3 Cl d) None of these 14. The formula for tetrachloro methane is__________.a) CH2 Cl2 b) CH3 Cl2c) CCl4 d) CHCl3 15. CH3 Cl2 +Cl2 → ____________.a) CH2 Cl2 + HClb) CHCl2 + HClC) C+ 4HCld) CCl4+ HCl 16. CH4 + 2Cl2 → _________.a) CCl4 + HClb) C+ 4HClc) C + 9HCld) CHCl3 + HCl 17. The reducing order of reactivity of halogens is ________.a) Cl2 > Br2 > I2 b) Cl2 < Br2 > I2c) Br2 >Cl2 > I2 d) I2 > Br2 > Cl2 18. The process of racking represented as_________. 19. The formula for the formaldehyde is ___________.a) CH3OH b) HCHOC) CH4Cl d) None of these 20. The commercial preparation of “H2” is represented by the following equation. Tags: chemistry, chemistry mcqs Read more articles Previous PostIntroduction to Organic Chemistry | Chapter No 14 | Chemistry MCQs Next PostAlkyl Halides | Chapter No 16 | Chemistry MCQs You Might Also Like The Three States of Matter | Chapter No 2 | Chemistry MCQs August 27, 2022 Chemical Industries in Pakistan | Chapter No 19 | Chemistry MCQs September 4, 2022 Energetics of Chemical Reactions | Chapter No 5 | Chemistry MCQs August 27, 2022 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.