Fundamental Principles of Organic ChemistryNomenclature of Aromatic Dicarboxylic Acids461Choose the best answerThe IUPAC name of terephthalic acid is:ABenzene-1,2-dicarboxylic acidBBenzene-1,3-dicarboxylic acidCBenzene-1,4-dicarboxylic acidDCyclohexane-1,4-dicarboxylic acid Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common Alkyl Groups462Choose the best answerWhich compound contains one isopropyl group?A2,2,3,3-TetramethylpentaneB3,3-DimethylpentaneC2,2,3-TrimethylpentaneD2-Methylpentane Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Atomic Structure#Hydrogen Spectrum463Choose the best answerQ.72 The equation V̄ = R(1/2² − 1/n²), where n > 2, is the equation of H spectrum for:APaschen seriesBPfund seriesCBrackett seriesDBalmer series Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species464Choose the best answerWhich of the following has the same number of electrons as Ne?ACl⁻BLiCLi⁺DO²⁻ Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Percentage Yield#Stoichiometry465Choose the best answerA student expects a theoretical yield of 28 g. After isolating and drying the sample, its mass is 18 g. Later, 4 g of this mass is found to be impurity. What are the actual yield and percentage yield?A14 g and 50%B18 g and 75%C28 g and 85%D24 g and 90% Like 0 Discuss 0Share