Chemical BondingBond Angle826Choose the best answerWhich species has the smallest bond angle?ANH₃BNCl₃CNF₃DNBr₃ Like 0 Discuss 0Share
Fundamental Concepts of ChemistryChemical Changes827Choose the best answerWhich is a characteristic of a chemical change?AFormation of one or more new substancesBNo energy change can occurCChemical composition remains unchangedDOnly the physical state changes Like 0 Discuss 0Share
ElectrochemistryFactors Affecting Cell Potential828Choose the best answerThe potential of an electrochemical cell may depend on:ATemperatureBIon concentrationsCNature of the electrolyte and reacting speciesDAll of these Like 0 Discuss 0Share
Chemistry of HydrocarbonsPhysical States of Hydrocarbons829Choose the best answerWhich of the following hydrocarbons is expected to be a liquid under ordinary conditions?AButaneBPropeneCPentyneDButyne Like 1 Discuss 0Share
Periodic TableIonization Energy Trend830Choose the best answerWhich is the correct decreasing order of first ionization energy in Period 2?ANe > F > O > N > C > Be > B > LiBNe > F > N > O > C > Be > B > LiCF > Ne > N > O > C > B > Be > LiDNe > F > N > C > O > Be > B > Li Like 0 Discuss 0Share