Periodic TableIonic Radius1146Choose the best answerThe correct decreasing order of ionic radii is:ANa⁺ > Mg²⁺ > Li⁺ > Be²⁺BNa⁺ > Li⁺ > Mg²⁺ > Be²⁺CLi⁺ > Na⁺ > Mg²⁺ > Be²⁺DMg²⁺ > Na⁺ > Li⁺ > Be²⁺ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electromagnetic Spectrum1147Choose the best answerWhich visible colour has the longest wavelength and the least deviation through a prism?AVioletBBlueCRedDGreen Like 0 Discuss 0Share
Alcohols and PhenolsOxidation of Alcohols1148Choose the best answerConversion of ethanol to ethanal is classified as:AReductionBOxidationCAdditionDHydrolysis Like 0 Discuss 0Share
StoichiometryAvogadro Constant1149Choose the best answerNA, the Avogadro constant, is equal to the number of:AAtoms in 1 g HeBElectrons needed to deposit 24.3 g Mg from Mg²⁺CMolecules in 35.5 g Cl₂DAtoms in 24.3 g Mg Like 0 Discuss 0Share
GasesAssumptions of Ideal Gas Behaviour1150Choose the best answerThe assumption that the volume of gas molecules is negligible is most valid at:AHigh pressureBLow pressureCLow temperatureDHigh pressure and low temperature Like 0 Discuss 0Share