Periodic TableElectron Affinity436Choose the best answerWhich is the correct increasing order of electron-accepting tendency among the given Period 2 elements?AB < Li < C < O < FBLi < B < C < O < FCB < Li < O < C < FDLi < B < O < C < F Like 0 Discuss 0Share
Alkyl HalidesSN1 Reaction437Choose the best answerWhich is NOT a characteristic of an SN₁ reaction?AFirst-order kineticsBCarbocation intermediateCConcerted one-step mechanismDPossibility of carbocation rearrangement Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Subatomic Particles438Choose the best answerWhich particle has a mass closest to 1 amu?AOne electronBOne protonCOne carbon-12 atomDOne oxygen atom Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Unit439Choose the best answerOne atomic mass unit (1 u) is defined as:A1/16 of the mass of one oxygen-16 atomB1/12 of the mass of one carbon-12 atomC1/14 of the mass of one nitrogen-14 atomD1/10 of the mass of one neon-20 atom Like 0 Discuss 0Share
Stoichiometry 11#Physical and Chemical Changes440Choose the best answerWhich option represents a chemical change?ATwinkling of starsBCooking of vegetablesCCutting of fruitsDBoiling of water Like 0 Discuss 0Share