2. SECTION – I Single Correct Answer Type This section contains 20 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
3. 01 Problem The compound 1, 2-butadiene has Only sp hybridized carbon atoms Only hybridized carbon atoms Both sp and hybridized carbon atoms Sp, and hybridized carbon atoms
4. Problem 02 Which of the following compounds will exhibit cis-trans (geometrical) isomerism ? 2-butene 2-butyne 2-butanol But anal
5. Problem 03 Any p-orbital can accommodate up to Four electrons Two electrons with paralled spins Six electrons Two electrons with opposite spins
6. Problem 04 Carbon tetrachloride has no net dipole moment because of Its planar structure Its regular tetrahedral structure Similar sizes of carbon and chlorine atoms Similar electron affinities of carbon and chlorine
7. Problem 05 Which one among the following does not have the hydrogen bond? heard by the car driver is Phenol Liquid Water Liquid HCl
8. Problem 06 The type of bonds present is are only Electrovalent and covalent Electrovalent and coordinate covalent Electrovalent, covalent and coordinate covalent Covalent and coordinate covalent
9. Problem 07 Diethyl ether on heating with Conc. HI gives two moles of heard by the car driver is Ethanol Ethyl iodide Iodoform Methyl iodide
10. Problem 08 When acetaldehyde is heated with Fehling’s solution it given a precipitate of Cu CuO Cu2O Cu + Cu2O + CuO
11. Problem 09 The principal quantum number of an atom is related to the Size of the orbital Spin angular momentum Orbital angular momentum Orientation of the orbital in space
12. Problem 10 Rutherford’s scattering experiment is related to the size of the Nucleus Atom Electron Neutron
13. Problem 11 When propyne is treated with aqueous in presence of the major product is Propanal Acetone Propyl hydrogen sulphate Formaldehyde
14. Problem 12 The Cannizzaro reaction is not given by Trimethylacetaldehyde Bezaldehyde Acetaldehyde Formaldehyde
15. Problem 13 Acetamide is treated separately with the following reagents. Which one of these would give methylamine? a. b. Soda lime c. NaO d. Hot Conc.
16. Problem 14 Which of the following compounds does not dissolve in Conc. H2SO4 even on warming? Ethylene Benzene Hexane Aniline
17. Problem 15 The rate constant of a first order reaction depends on the Concentration of the reactant Concentration of the product Time Temperature
18. Problem 16 A catalyst is a substance with Increases the equilibrium concentration of the product Changes the equilibrium constant of the reaction Shortens the time to reach equilibrium Supplies energy to the reaction
19. Problem 17 Heavy water is a. b. c. Water obtained by repeated distillation d. Water at 40C
20. Problem 18 Chlorine acts as a bleaching agent only in presence of Dray air Moisture Sunlight Pure oxygen
21. Problem 19 In the aluminothermy process, aluminum acts as An oxidizing agent A reducing agent A flux A solder
22. Problem 20 Faraday’s laws of electrolysis are related to the Atomic number of the action Atomic number of the anion Equivalent weight of the electrolyte Speed of the action
23. SECTION – II True or False. State whether the following statements are true or false
24. 01 Problem Hydrolysis of an ester in presence of a dilute acid is known as saponification. ____________
25. Problem 02 Carbon tetrachloride burns in air when lighted to give phosgene. __________
26. Problem 03 The yield of ketone when a secondary alcohol is oxidized is more than the yield of aldehyde when a primary alcohol is oxidized ___________
28. Problem 05 Linear overlap of two atomic p-orbitals leads to a sigma bond ____________ .
29. Problem 06 Gamma rays are electron in the 3d – orbital is less than that in the 4s-orbital in the hydrogen atom ______________ .
30. SECTION – III Fill in the banks with appropriate words. Read the following statements carefully. Indicate the subdivision number and write the matter corresponding to the blanks strictly in the order they appear in the statement.
31. 01 Problem Acetic acid can be halogenated in the presence of red P and but formic acid cannot be halogenated in the same way _____________.
32. Problem 02 Methane does not react with chlorine in the drak ____________.
33. Problem 03 Propene reacts with HBr to give isopropyl bromide but does not give n-propyl bromide _________ .
34. Problem 04 Although benzene is highly unsaturated, normally it does not undergo addition reaction ___________.
35. Problem 05 A bottle of liquor ammonia should be cooled before opening the stopper __________.
