Kossel-Lewis approach to chemical bond formation; ionic bond — lattice enthalpy; covalent bond — Lewis structures; polar covalent bond; valence bond theory; hybridisation involving s, p and d orbitals; resonance; molecular orbital theory of homonuclear diatomic molecules; hydrogen bonding; VSEPR theory.
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Q1 · Chemical Bonding and Molecular Structure · EASY
Which of the following molecules has a linear shape according to VSEPR theory?
Q2 · Chemical Bonding and Molecular Structure · MEDIUM
The bond order of O2+ ion according to molecular orbital theory is:
Q3 · Chemical Bonding and Molecular Structure · MEDIUM
The hybridisation of the central atom in XeF4 is:
Q4 · Chemical Bonding and Molecular Structure · EASY
Which of the following has the highest lattice enthalpy?
Q5 · Chemical Bonding and Molecular Structure · HARD
Consider the following resonance structures of the carbonate ion CO3²-. If all C-O bonds are equivalent with bond length 1.29 Å (between C-O single bond 1.43 Å and C=O double bond 1.20 Å), what is the percentage double bond character in each C-O bond?