Punjab 12th Class Chemistry Chapter 7 Fundamental Principles of Organic Chemistry Mcqs Test Online 12th Class Chemistry Chapter 7 Fundamental Principles of Organic Chemistry Mcqs Test Online Punjab Boards 1234567891011121314151617181920Show paginator Hide paginator Question 1 of 20Chemistry 1. Formation of radicals which attack reactants molecules generate more free radicals. This step is a 1.Propagation step 2.Initiation step 3.Elimination step4.Termination step Question 1 of 20Question 2 of 20 2. The major portion of natural gas is: 1.Methane2.Poopane 3.Ethabe 4.Butain Question 2 of 20Question 3 of 20 3. There are few homologous series of compounds. The existence of homologous series is due to: 1.Polymerization2.Cracking 3.Isomerism 4.Functional group Question 3 of 20Question 4 of 20 4. Substances which are basis of human life on earth are 1.Matter 2.Molecules 3.Atom 4.Organic compoundsQuestion 4 of 20Question 5 of 20 5. Types of structural isomerism are 1.Functional group isomerism 2.All of them3.Position isomerism 4.Chain isomerism Question 5 of 20Question 6 of 20 6. Which of the following is an aromatic compound: 1.Acetone 2.Benzene 3.Cyclohexane 4.Propanol Question 6 of 20Question 7 of 20 7. Lassaignes’ solution is prepared in the detection of elements of organic compound. Which metal is used for the reaction with organic compound? 1.Iron 2.Copper 3.Aluminium 4.Sodium Question 7 of 20Question 8 of 20 8. Relative formula C₃H₆ is of molecule: 1.Ethane 2.Propene 3.Propane 4.Ethene Question 8 of 20Question 9 of 20 9. Bonding pairs of electrons in each carbon atom 1.Centrifuge2.Attract 3.Repel 4.Remain intact Question 9 of 20Question 10 of 20 10. When water vapours are passed over white anhydrous copper sulphate, which colour is formed? 1.Brown 2.White 3.Yellow 4.Deep blue Question 10 of 20Question 11 of 20 11. Which of the following compound is heterocyclic? 1.Pyrole 2.Pyridine 3.All of these 4.Thiphene Question 11 of 20Question 12 of 20 12. The Simplest molecule of Bucky Ball contain carbon atoms: 1.60 2.8 3.1004.20 Question 12 of 20Question 13 of 20 13. Only one 'benzene ring' is present in compounds of 1.Carboxylic 2.Aryl 3.Ketone 4.Acryl Question 13 of 20Question 14 of 20 14. If a molecule contains more than one functional group it is known as: 1.Isomer2.Poly functional 3.Derivative 4.Heterocyclic Question 14 of 20Question 15 of 20 15. When AgNO₃ is added to the Lassaignes’ solution which colour is formed for lodine: 1.Deep yellow 2.Blue 3.Green 4.Violet Question 15 of 20Question 16 of 20 16. Two optical isomers are formed from carbon atoms to create bond of 1.2 atoms 2.3 atoms 3.4 atoms 4.1 atom Question 16 of 20Question 17 of 20 17. Element that is backbone of organic molecules is 1.Hydrogen 2.All of them 3.Carbon 4.Oxygen Question 17 of 20Question 18 of 20 18. Select from the following the one, which is alcohol; 1.CH₃ CooH 2.CH₃– CH₂ – OH 3.CH₃– O – CH₃ 4.CH₃– CH₂ – BrQuestion 18 of 20Question 19 of 20 19. Nucleophile is considered as 1.Mutual share 2.Acceptor 3.Donator 4.SpectatorQuestion 19 of 20Question 20 of 20 20. In organic compounds carbon atoms form: 1.Covalent bond 2.Ionic bond 3.None of these 4.Metalic bond Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 12th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.