Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model181Choose the best answerAccording to Bohr’s model, what happens to an electron while it remains in an allowed stationary orbit?AContinuously radiates energyBGradually loses energyCNeither absorbs nor emits energyDFalls into the nucleus Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Chemical Kinetics#Rate Law182Choose the best answerIf a reaction rate does not change with concentration then it is:A3rd orderB2nd orderC1st orderDZero order Like 1 Discuss 0Share
Atomic StructureIsoelectronic Species183Choose the best answerWhich pair is isoelectronic?ACO₂ and NO₂BNO₂⁻ and CO₂CCN⁻ and CODSO₂ and CO₂ Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Limiting Reagent#Stoichiometry184Choose the best answer50g of Mg is burnt with 32g of oxygen to form MgO, amount of excess reagent left is? (IBA MDCAT 2025)A6g MgB2g MgC8g O₂D16g O₂ Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Macromolecules#Polymers185Choose the best answerWhich pair consists entirely of condensation polymers?APVC and PANBNylon and PVACBakelite and TeryleneDPE and PP Like 0 Discuss 0Share