Describe the octet rule. Discuss its limitations and give examples where the octet rule does not hold.
Explain Bohr’s model of the hydrogen atom. How does it account for the line spectrum of hydrogen?
Define polymerization and distinguish between addition and condensation polymerization. Give examples of each type.
Explain why carboxylic acids have higher boiling points than alcohols of similar molecular weight.
Describe the process of aldol condensation. Why do aldehydes with alpha-hydrogen undergo aldol condensation?
Compare the acidic strength of ethanol and phenol. Why is phenol more acidic than ethanol?
State and explain Werner’s theory of coordination compounds. How does it account for the structures of complexes?
Explain the concept of lanthanoid contraction. How does it affect the properties of elements in the lanthanoid series?
Describe the preparation and properties of ozone. What are its uses and why is it considered an important molecule in the atmosphere?
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