ElectrochemistryOxidizing and Reducing Agents1446Choose the best answerFor the reaction 2Na + Cl₂ → 2NaCl, which statement is correct?ANa is reduced and Cl₂ is oxidizedBCl₂ is the oxidizing agent and Na is the reducing agentCCl⁻ is the reducing agentDNo redox change occurs Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium1447Choose the best answerFor A + B + heat ⇌ C + D, increasing temperature causes the concentration of products to:AIncreaseBDecreaseCRemain unchangedDBecome zero Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept1448Choose the best answerWhich sample contains the greatest number of atoms?A1 mol N₂B1 mol COC1 mol N₂OD1 mol NaCl Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules1449Choose the best answerApproximately how many molecules are present in 1 g H₂?A6.02 × 10²³B3.01 × 10²³C1.505 × 10²³D6.02 × 10²² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model1450Choose the best answerWhat is the centrifugal-force expression for an electron moving in a circular orbit of radius r?Amv²/r²Bmv/rCmv²/rDm²v/r Like 0 Discuss 0Share