MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Fundamental Principles of Organic Chemistry#Wöhler's Synthesis156Choose the best answerUrea was first synthesized by Wohler from an inorganic material named:AAmmonium bicarbonateBAmmonium nitrateCAmmonium oxalateDAmmonium cyanate Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Limiting Reagent#Stoichiometry157Choose the best answerWhich statement about a limiting reagent is always correct?AIt is always the reactant with the least massBIt is always the reactant with the least number of molesCIt is completely consumed and determines the maximum amount of product that can be formedDIt always has the lowest molecular mass Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Kinetics#Rate Law158Choose the best answerFor the reaction A → products, when the concentration of A doubles, the rate of reaction increases four folds, which means it is: (Sindh MDCAT 2020)ANegative order reactionBFirst order reactionCZero order reactionDSecond order reaction Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Bonding#Dipole Moment159Choose the best answerA molecule has polar bonds but zero dipole moment. What does this most strongly suggest?AContains ionic bondsBHas a symmetrical geometryCHas no covalent bondsDIs chemically inert Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Alcohols#Alcohols and Phenols160Choose the best answerR–X reaction with alcohols forms: (Sindh MDCAT 2020)AR–OHBR–O–RCR–X–OHDR–H Like 0 Discuss 0Share