Stoichiometry#Atomic Structure#Isotopes3066Choose the best answerWhy is the relative atomic mass of chlorine about 35.45 instead of exactly 35 or 37?AChlorine atoms lose mass during bondingBChlorine contains equal numbers of neutrons and protonsCChlorine exists naturally as isotopes with different abundancesDAtomic masses are always decimal values Like 0 Discuss 0Share
Chemistry of HydrocarbonsOzonolysis of Alkenes3067Choose the best answerPropene on reductive ozonolysis gives:AMethanal and ethanalBMethanal and propanoneCEthanal and methanolDTwo molecules of methanal Like 3 Discuss 0Share
Alcohols and PhenolsPreparation of Alcohols from Alkyl Halides3068Choose the best answerHydrolysis of an alkyl halide with aqueous NaOH produces:AAlkeneBAlcoholCEtherDAldehyde Like 0 Discuss 0Share
LiquidsEvaporation3069Choose the best answerEvaporation of a liquid can occur:AOnly above its boiling pointBOnly at 100°CCOnly at 0°CDAt all temperatures at which the liquid exists Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum3070Choose the best answerFor n₂ = 4 to n₁ = 2, what is the value of (1/n₁² − 1/n₂²)?A0.1875B0.2500C0.7500D0.0625 Like 0 Discuss 0Share