5.Chemical bonding
Qno.1. Select and write the most appropriate alternatives from the given choices. A. Which molecule is linear? a. SO3 b. CO2 c. H2S d. Cl2O B. When the following bond types are listed in decreasing order of strength (strongest first). Which is the correct order ? a. covalent > hydrogen > vander waals’ b. covalent > vander waal’s > hydrogen c. hydrogen > covalent > vander waal’s d. vander waal’s > hydrogen > covalent. C. Valence Shell Electron Pair repulsion (VSEPR) theory is used to predict which of the following : a. Energy levels in an atom b. the shapes of molecules and ions. c. the electrone getivities of elements. d. the type of bonding in compounds. D. Which of the following is true for CO2? Ans:- (a) polar- nonpolar E. Which O2 molecule is pargmagnetic. It is explained on the basis of : a. Hybridisation. b. VBT c. MOT ...