SINDH MDCAT 2019 CHEMISTRY#Downs Cell#Electrochemistry1246Choose the best answerDown's cell is used to prepare: (Sindh MDCAT 2019)ASodium carbonateBSodium bicarbonateCSodium hydroxideDSodium metal Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum1247Choose the best answerWhich hydrogen spectral series lies completely in the ultraviolet region?ABalmer seriesBLyman seriesCPaschen seriesDBrackett series Like 0 Discuss 0Share
Atomic StructureNumber of Orbitals in a Shell1248Choose the best answerThe total number of orbitals in a shell with principal quantum number n is:A2nB2n²Cn²Dn + 1 Like 0 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Alkynes by Double Dehydrohalogenation1249Choose the best answerAlkynes are commonly prepared by double dehydrohalogenation of:AGeminal or vicinal dihalidesBAlcohols onlyCAldehydes onlyDCarboxylic acids Like 1 Discuss 0Share
Fundamental Principles of Organic ChemistryFunctional Groups1250Choose the best answerWhich compound contains a ketone functional group?ACH₃CHOBCH₃COCH₃CCH₃COOHDCH₃CH₂OH Like 0 Discuss 0Share