Chapter 07

Solved Exercise, Chem-11, Ch-07

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THERMOCHEMISTRY Q.01: Choose the correct answer: (i) If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air:                     (a) Remains constant (b) Increases (c) Decreases (d) Remains unchanged ANSWER: (c)Decreases EXPLANATION: The endothermic reactions proceed by absorbing heat into the system from the surrounding. So, … Read more

Assessment Tests, Chem-12, Ch-07

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Fundamental Principles of Organic Chemistry The main topics relevant to the tests below are: Introduction of organic compounds, main features of organic compounds, sources of organic compounds like coal, natural gas & petroleum, cracking of petroleum, reforming of petroleum, classification of organic compounds, functional groups, hybridization & the structures of methane, ethane, ethene & ethyne, … Read more