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Biology MCQ Question - Chemical Bonding

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1. Greater shielding effect corresponds to ionization energy value




2. Elements having high I.P values are




3. Energy released or absorbed when electrons are added in atom is




4. In a period electronegativity from left to right




5. Ionic bond is produced after complete transfer of




6. Elements of group IA IIA are




7. Bond will beionic when E.N difference of bonded atom is




8. Mostly ionic compound are produced in between elements of




9. Which one of the following has polar covalent bond?




10. The Lewis acids are




11. Sharing of 1 electron pair by one specie forms




12. Angle in water molecule is




13. The geometry of ammonia is




14. Orbitals of same energy produced after mixing of orbitals of different energy are called




15. By combining n atmic orbitals no. of hybrid orbitals will be




16. on sp3 hybridization




17. Geometry of simple molecule having sp3 hybrid orbital is




18. Geometry of molecule will be pyramidal if the outer post shell of the central atom has




19. Pi bonds are produced by overlapping of




20. According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be




21. Molecular orbital which have higher energy than atomic orbitals is called




22. Unpaired electron in a molecule gives _________ character.




23. Bond order for N2 molecule is




24. Product of charge and distance is called




25. Unit of dipole moment is




26. Which of the following solutions of H2SO4 is more concentrated?




27. The complete reduction carboxylic acid results in the formation of




28. The organic acid that can be made from ethanol is




29. Picric acid is




30. The formula of palmitic acid




31. Essential amino acids are




32. The aliphatic monocarboxylic acids are obtained by the hydrolysis of




33. Which of the following is not a fatty acid?




34. An acid with unpleasant smell




35. The basic hydrolysis of ethyl acetate produces




36. Carboxylic acid on reduction with HI / phosphorous yields




37. Which of the following is not an ester




38. The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called




39. Which of the following has orange flavour




40. Which of the following is not an amino acids




41. Amino acids present in cheese




42. ? - amino succinic acid is also called




43. Which of the following is an unsaturated carboxylic acid




44. Which of the following is not a heavy industry?




45. Which of the following is a macronutrient?




46. Requirement of macronutrient per acre of the land is




47. Three elements needed for the healthy growth of plants are




48. Which of the following is not a secondary pollutant




49. Residence time of methane in the atmosphere is




50. Major cause of SO2 on global scale is