Page 1 :
UNIT – 04: CHEMICAL BONDING & MOLECULAR STRUCTURE, 1., 2., 3., 4., 5., 6., 7., 8., 9., , 10., 11., 12., 13., 14., 15., 16., 17., 18., 19., 20., 21., 22., 23., 24., 25., 26., , Write Lewis dot structure for CO2 , CO, C2H4., State octet rule? Write the limitations of octet rule with examples., Calculate the formal charge on all oxygen atoms in ozone? What is intermolecular hydrogen, bonding? give example, Out of NH3 and NF3 which is more polar. justify your answer, Write the postulates of valence shell electron pair repulsion theory., Write the differences between sigma and pi bond., Explain sp3 hybridization with suitable example., Write the salient features of molecular orbital theory., For the following molecules, write electronic configuration, mention magnetic property and also, calculate bond order:, a)N2, b) O2, c) F2, What is hydrogen bonding? Give an example for a molecule which shows hydrogen bonding., Explain how Fajan’s rules helps in determining covalent nature of ionic bond with examples., What is intramolecular hydrogen bonding? Give example, What is Bond length? Give its SI unit, What is bond angle? Give its unit, What is Bond enthalpy? Give its SI unit, What are resonance structures? Write the resonance structures for carbonate ion., What is dipole moment? Write its SI unit, HF molecule is polar. Give reason, Explain the polarity in H2O., BeF2 molecule is non-polar. give reason, BF3 molecule is non-polar. give reason, Explain sp hybridization with suitable example., Explain sp2 hybridization with suitable example., Explain sp3 hybridization with suitable example., Explain sp3d hybridization with suitable example., Explain sp3d2 hybridization with suitable example.