ElectrochemistrySalt Bridge816Choose the best answerThe main function of a salt bridge in a voltaic cell is to:ACarry electrons between electrodesBStop movement of ionsCMix both half-cell solutions completelyDAllow ion migration to maintain electrical neutrality Like 0 Discuss 0Share
Alkyl HalidesGrignard Reagents817Choose the best answerGrignard reagents are represented by the general formula:AR–MgXBR–XCR–LiDR–Na Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Law818Choose the best answerFor the elementary reaction 2A ⇌ B, the forward reaction rate is proportional to:A[A]B[A]²C[B]D[B]² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers819Choose the best answerWhat is the maximum number of orbitals in a shell with principal quantum number n?A2n²Bn²C2nDn Like 1 Discuss 0Share
Chemical KineticsFactors Affecting Reaction Rate820Choose the best answerDifferent reactants may react at different rates because of differences in their:AStructureBNature of bondingCPhysical stateDAll of the above Like 0 Discuss 0Share