SZABMU MDCAT 2025 Chemistry#Alkynes#Chemistry of Hydrocarbons66Choose the best answerWhich of the following reagent is commonly used to prepare alkyne form vicinal dihalide? (SZABMU MDCAT 2025)AH₂ and catalystBKOH/NaNH₂CKMnO₄DLiAlH₄ Like 1 Discuss 0Share
KMU MDCAT 2024 Chemistry#Alkenes#Chemistry of Hydrocarbons67Choose 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 HydrocarbonsAlkenes68Choose 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 30 Discuss 0Share
Chemistry of HydrocarbonsNitration of Benzene69Choose the best answerIn nitration of benzene, concentrated H₂SO₄ helps generate:ANO₂⁺BNO₃⁻CNH₄⁺DOH⁻ Like 1 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Benzene from Ethyne70Choose the best answerBenzene can be prepared by trimerization of:AEtheneBEthyneCPropeneDMethane Like 1 Discuss 0Share