LiquidsHydrogen Bonding and Boiling Point3216Choose the best answerThe anomalously high boiling points of compounds such as H₂O, HF and NH₃ are mainly due to:AMolecular massBHydrogen bondingCDensityDNumber of hydrogen atoms Like 1 Discuss 0Share
LiquidsVapour Pressure and Volatility3217Choose the best answerWhich liquid has the highest vapour pressure among the following?AWaterBGlycerolCMercuryDPentane Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common and IUPAC Names3218Choose the best answerChoose the option in which all common names are correctly matched with their IUPAC names.ACarbolic acid—Benzoic acid; Catechol—Benzene-1,3-diol; Resorcinol—Benzene-1,2-diol; Hydroquinone—Benzene-1,4-diol; Pyrogallol—Benzene-1,3,5-triolBCarbolic acid—Phenol; Catechol—Benzene-1,4-diol; Resorcinol—Benzene-1,2-diol; Hydroquinone—Benzene-1,3-diol; Pyrogallol—Benzene-1,2,4-triolCCarbolic acid—Phenol; Catechol—Benzene-1,2-diol; Resorcinol—Benzene-1,3-diol; Hydroquinone—Benzene-1,4-diol; Pyrogallol—Benzene-1,2,3-triolDCarbolic acid—Benzoic acid; Catechol—Benzene-1,2-diol; Resorcinol—Benzene-1,4-diol; Hydroquinone—Benzene-1,3-diol; Pyrogallol—Benzene-1,2,3-triol Like 2 Discuss 0Share1
Chemical BondingMolecular Geometry and Polarity3219Choose the best answerThe shape and polarity of CS₂ are:ABent and polarBPyramidal and polarCLinear and non-polarDBent and non-polar Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Magnetic Properties#Transition Elements3220Choose the best answerWhich of the following is expected to be the most paramagnetic? (IBA MDCAT 2025)A³LiB⁴BeC⁵BD⁶C Like 0 Discuss 0Share