Sindh MDCAT 2022 Chemistry#Chemistry of Hydrocarbons#Wurtz Reaction51Choose the best answerQ.81 2-chloropropane is heated with Na metal, product is 2,3-dimethylbutane. Reaction is:ADehydrohalogenationBWurtz reactionCDehydrationDCatalytic dehydrogenation Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Hess's Law#Thermochemistry & Thermodynamics52Choose the best answerQ.105 Reaction taking place in one step or in several steps have same ΔH, it is statement of:ALussac's law of combining volumeBHess's lawCBoyle's lawDCharles's law Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Chemistry of Hydrocarbons#Reforming53Choose the best answerQ.115 Reforming:AIncreases knocking of internal combustion engineBIncreases octane numberCMore is the knocking, better is the fuelDTo produce a fuel of less octane number Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Combustion Stoichiometry#Stoichiometry54Choose the best answerQ.101 3.0 g of C on combustion gives C + O₂ → CO₂.A5.5 g of CO₂B22 g of CO₂C6.02 × 10²³ molecules of CO₂D1.505 × 10²³ molecules of CO₂ Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Gases#Real Gas Deviation55Choose the best answerQ.100 Gases deviate from ideal behavior more:AGases do not deviate from ideal behaviorBBoth temperature & pressure lowCBoth temperature & pressure highDAt high pressure & low temperature Like 0 Discuss 0Share