Prompt Pack
Grade 12
Second Term
Third Term
Grade 13
Basic Concepts of Organic Chemistry
Grade
13
Foundation Level (Fail → Pass)
Simple prompts to build essential understanding.
Define organic chemistry in your own words.
What is a functional group?
Give two examples of functional groups.
Define a homologous series.
State the general formula for alkanes.
What is meant by a molecular formula?
What is a structural formula?
Define an isomer.
Give one example of isomers.
Distinguish between saturated and unsaturated compounds.
Intermediate Level (Pass → Credit)
Prompts requiring explanation, simple reasoning, and classification.
Explain why members of a homologous series show similar chemical properties.
Draw the structural formula of ethanol.
Compare alkanes and alkenes in terms of reactivity.
Explain the difference between chain and position isomerism.
Use molecular formula C₄H₁₀ to draw two structural isomers.
Describe the structure of benzene.
Explain why alkenes are more reactive than alkanes.
Give the IUPAC names for CH₃CH₂CH₃ and CH₃CH₂OH.
Describe how functional groups determine reactivity.
Explain cis–trans isomerism with an example.
Advanced Level (Credit → Distinction)
Analytical and deeper conceptual prompts.
Compare sigma (σ) and pi (π) bonds in terms of strength and formation.
Discuss how hybridization explains molecular shapes in organic molecules.
Evaluate the stability of aromatic compounds using delocalised electron models.
Analyse the effect of branching on boiling points in hydrocarbons.
Explain why stereoisomerism occurs in compounds with double bonds.
Predict physical properties (bp, mp, solubility) from molecular structure.
Discuss how functional group interconversions form the basis of organic synthesis.
Explain why benzene undergoes substitution rather than addition reactions.
Compare electrophiles and nucleophiles with examples.
Analyse how resonance affects the stability of organic molecules.
වියාචනය (Disclaimer)
Idasara Academy ඉගෙනුම් සම්පත් නිර්මාණය කර ඇත්තේ සිසුන්ට මගපෙන්වීම, පුහුණුව සහ අධ්යයන උපායමාර්ග ලබාදී සහයෝගය දැක්වීමටය.
කෙසේ වෙතත්, සියලුම විභාග සහ නිල අවශ්යතා සඳහා, සිසුන් අනිවාර්යයෙන්ම ශ්රී ලංකා අධ්යාපන අමාත්යාංශයේ, අධ්යාපන ප්රකාශන දෙපාර්තමේන්තුව විසින් ප්රකාශයට පත් කරන ලද නිල පෙළපොත් සහ සම්පත් පරිශීලනය කළ යුතුය.
ජාතික විභාග සඳහා අන්තර්ගතයේ නිල බලය ලත් මූලාශ්රය වනුයේ රජය විසින් නිකුත් කරනු ලබන මෙම ප්රකාශනයි.
