XiMDCAT XI Complete Chemistry Grand Test#Atomic Structure#Quantum Numbers2911Choose the best answerFor n = 2, which type of orbital can an electron occupy?AA spherically-shaped orbitalBEither an s or p orbitalCThe orbital closest to the nucleusDA dumb-bell-shaped orbital Like 0 Discuss 0Share
StoichiometryMole–Mole Stoichiometry2912Choose the best answerOne mole of each substance is separately burnt completely in excess O₂. Which produces the greatest amount of CO₂?ACOBCCCH₄DC₂H₂ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Alkyl Halides#E1 Reaction2913Choose the best answerThe elimination between alkyl halides and a strong base takes place by two mechanisms—E1 and E2. How many steps are involved in each one of these? (MDCAT 2023)AE1 elimination is two steps & E2 is one stepBE1 & E2 both take place in one stepCE1 & E2 both take place in two stepsDE1 elimination is one step & E2 is two steps Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Aldehydes and Ketones#Carbonyl Compounds2914Choose the best answerReduction of aldehydes & ketones by Zn-Hg amalgam and concentrated HCl results in conversion to an alkane. This reaction is known as:ADown ReductionBCope ReductionCWolff-Kishner ReductionDClemmensen Reduction Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Free Radicals#Fundamental Principles of Organic Chemistry2915Choose the best answerWhat is formed by homolysis of covalent bond? (BUMHS MDCAT 2025)Afree radicalBmoleculeCionDatom Like 1 Discuss 0Share