Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Phenols126Choose the best answerThe IUPAC name of pyrogallol is:ABenzene-1,2,3-triolBBenzene-1,3,5-triolCBenzene-1,2,4-triolDCyclohexane-1,2,3-triol Like 0 Discuss 0Share1
Fundamental Principles of Organic ChemistryGeometrical Isomerism127Choose the best answerWhich compound exhibits geometrical isomerism?ACH₂=CH₂BCH₃CH=CHCH₃CCH₂=CHCH₃D(CH₃)₂C=C(CH₃)₂ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryGeometrical Isomerism in Cycloalkanes128Choose the best answerCycloalkanes can show geometrical isomerism because of:AFree rotation of C–C bondsBRestricted rotation imposed by the ringCPresence of a triple bondDAromaticity Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCoal and Types of Coal129Choose the best answerWhich matching of coal type with its characteristic is correct? P. Peat Q. Lignite R. Bituminous S. Anthracite (1) Highest carbon content (2) Youngest coal (3) Important industrial coal (4) Brown coalAP–2, Q–4, R–3, S–1BP–4, Q–2, R–3, S–1CP–2, Q–3, R–4, S–1DP–1, Q–4, R–3, S–2 Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Aromatic Compounds130Choose the best answerWhich systematic name corresponds to acetophenone?A1-Phenylethan-1-oneB2-Phenylethan-1-oneCDiphenylmethanoneDPhenylmethanal Like 0 Discuss 0Share