Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subatomic Particle Mass1226Choose the best answerApproximately how many times heavier is a proton than an electron?A1836 timesB1839 timesC100,000 timesD1909 times Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc1227Choose the best answerFor a reversible reaction, what happens when Qc < Kc?AShift in the forward directionBShift in the reverse directionCRemain unchangedDStop both reactions Like 0 Discuss 0Share
Chemistry of HydrocarbonsFriedel–Crafts Acylation1228Choose the best answerWhich reagent combination is used for Friedel–Crafts acylation?AAcyl chloride + AlCl₃BAlcohol + H₂SO₄CHNO₃ + H₂SO₄DBr₂/H₂O Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Geometrical Isomerism#Isomerism1229Choose the best answerWhich compound can show geometrical isomerism?ACH₃CH=CHCH₂CH₃BCH₂=CHCH₂CH₂CH₃C(CH₃)₂C=CH₂DCH₃CH₂CH=CH₂ Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Alkanes#Chemistry of Hydrocarbons1230Choose the best answerGeneral formula of cycloalkane is: (Sindh MDCAT 2020)ACₙH₂ₙ₊₂BCₙH₂ₙCCₙH₂ₙ₊₁DCₙH₂ₙ₋₂ Like 0 Discuss 0Share