Chemical Reactions Of Organic Compounds — Important Questions
Kerala Board · Class 10 · Chemistry
44 important questions from Chemical Reactions Of Organic Compounds for Kerala Board Class 10 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Chemical Reactions Of Organic Compounds
Which of the following are characteristics of addition reactions?
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They involve unsaturated hydrocarbons, Double or triple bonds are converted to single bonds, They produce saturated compounds
Addition reactions occur when unsaturated compounds (with double or triple bonds) combine with molecules like H₂, Cl₂, etc., converting multiple bonds to single bonds and forming saturated products.
Which of the following are examples of addition polymers?
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Polythene, PVC (Polyvinyl chloride), Teflon
Addition polymers are formed by repeated addition of monomers without elimination of small molecules. Nylon 66 and Bakelite are condensation polymers.
Complete the combustion reaction: CH₄ + 2O₂ → ?
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CO₂ + 2H₂O + Heat
Complete combustion of hydrocarbons in sufficient oxygen always produces carbon dioxide and water along with heat and light energy.
Which enzyme converts glucose to ethanol during fermentation?
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Zymase
Zymase enzyme present in yeast converts glucose and fructose into ethanol and carbon dioxide during fermentation. Invertase converts sugar solution to glucose and fructose.
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Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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