SZABMU MDCAT 2025 Chemistry#Alkynes#Chemistry of Hydrocarbons21Choose the best answerWhich of the following reagent is commonly used to prepare alkyne form vicinal dihalide? (SZABMU MDCAT 2025)AH₂ and catalystBKOH/NaNH₂CKMnO₄DLiAlH₄ Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Alkenes#Chemistry of Hydrocarbons22Choose the best answerAddition of HBr to isobutylene mainly gives (KMU MDCAT 2024)Aisobutyl bromideBn-butyl bromideCsec-butyl bromideDtert-butyl bromide Like 0 Discuss 0Share
Chemistry of HydrocarbonsAlkenes23Choose the best answerDuring the addition of HBr to propene in the absence of peroxide, the major product is:A1-BromopropaneB2-BromopropaneC1,2-DibromopropaneDPropan-1-ol Like 23 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemistry of Hydrocarbons#Petroleum Fractions24Choose the best answerThe carbon number of gasoline is: (Sindh MDCAT 2019)AC₅ - C₆BC₆ - C₇CC₅ - C₁₀DC₁₂ - C₁₅ Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Chemistry of Hydrocarbons#Pi Bond in Alkenes25Choose the best answerIn propene π-bond is formed by sideway overlap of:As-orbitalsBp-orbitalsCsp³ hybrid orbitalsDsp² hybrid orbitals Like 0 Discuss 0Share