MDCAT Chemistry Paper 2025#Percentage Yield#Stoichiometry1501Choose the best answerFor the reaction N₂ + 3H₂ → 2NH₃, 56 g N₂ reacts with 12 g H₂ and produces 51 g NH₃. The theoretical yield and percentage yield are: (IBA MDCAT 2025)ATY = 68 g and PY = 75%BTY = 34 g and PY = 67%CTY = 68 g and PY = 33%DTY = 34 g and PY = 75% Like 4 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Alkyl Halide Reactivity#Alkyl Halides1502Choose the best answerIf an electrophile is the attacking reagent, which one is the most reactive? (BUMHS MDCAT 2025)AR–IBR–FCR–BrDR–Cl Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers1503Choose the best answerIn the notation 2p⁴, what do the numbers 2 and 4 represent?APrincipal shell and number of electronsBNumber of electrons and principal shellCAzimuthal quantum number and spinDAtomic number and mass number Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryHomologous Series1504Choose the best answerWhich pair represents consecutive members of the same homologous series?ACH₄ and C₂H₆BC₂H₆ and C₂H₄CC₂H₅OH and CH₃COOHDCH₃CHO and CH₃COCH₃ Like 0 Discuss 0Share
StoichiometryMole#Mole Concept1505Choose the best answerOne mole of carbon has a mass of 12 g, while one mole of magnesium has a mass of 24 g. One Mg atom is:AHalf as heavy as one C atomBEqual in mass to one C atomCTwice as heavy as one C atomDFour times as heavy as one C atom Like 0 Discuss 0Share