BUMHS MDCAT 2025 Chemistry#Percentage Yield#Stoichiometry21Choose the best answerA student expects a theoretical yield of 28 g. After isolating and drying the sample, its mass is 18 g. Later, 4 g of this mass is found to be impurity. What are the actual yield and percentage yield?A14 g and 50%B18 g and 75%C28 g and 85%D24 g and 90% Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Macromolecules#Nylon-6,622Choose the best answerWhich monomer is used for synthesis of nylon 6,6? (BUMHS MDCAT 2025)Asobacoyl chlorideBmethylene diamineCheptane-1,7-dioic acidDhexamethylene diamine Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Aldehydes and Ketones#Carbonyl Compounds23Choose the best answerKetones when treated with LiAlH₄ in the presence of dry ether, they are converted to: (BUMHS MDCAT 2025)APrimary AlcoholBMonohyderic alcoholCSecondary alcoholDDihyderic alcohol Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Gases#Intermolecular Forces in Gases24Choose the best answerIf intermolecular forces between gas molecules disappear suddenly, which of the following would happen? (BUMHS MDCAT 2025)Apressure decreasesBpressure increasesCgas collapsesDpressure remain unchanged Like 1 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Atomic Structure#Electronic Configuration25Choose the best answerThe electrons will enter which of these orbitals after filling the 3d orbital. (BUMHS MDCAT 2025)A4dB4fC4sD4p Like 0 Discuss 0Share