LiquidsHydrogen Bonding3016Choose the best answerNitrogen can participate effectively in hydrogen bonding mainly because of its:AHigh ionization energyBLow electron affinityCLarge atomic sizeDHigh electronegativity Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Alkynes#Chemistry of Hydrocarbons3017Choose the best answerTerminal alkynes show acidic character due to:ATerminal carbon atoms are sp hybridized.BTerminal carbon atoms are sp² hybridized.CTerminal carbon atoms are sp³ hybridized.DTerminal carbon atoms show hydrogen bonding. Like 0 Discuss 0Share
LiquidsBoiling Point and Atmospheric Pressure3018Choose the best answerThe boiling point of water is lower at high altitude mainly because:AAtmospheric pressure is lowerBAtmospheric pressure is higherCWater becomes nonpolarDHydrogen bonding disappears Like 0 Discuss 0Share
Chemical BondingLewis Acids and Bases3019Choose the best answerWhich species does NOT normally act as an electron-pair donor?ABr⁻BPH₃CGeCl₄DH₂O Like 0 Discuss 0Share
Atomic StructureEnergy Order of Subshells3020Choose the best answerIn a multi-electron atom, the general energy order of subshells within the same principal shell is:As < p < d < fBs > p > d > fCp < d < f < sDf < d < p < s Like 0 Discuss 0Share