SolidsRadius Ratio and Coordination Number836Choose the best answerThe radius-ratio range for tetrahedral coordination is approximately:A0.732–1.000B0.414–0.732C0.225–0.414D0.155–0.225 Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Chromophores837Choose the best answerWhich part of a dye molecule is mainly responsible for its colour?AAuxochromeBChromophoreCDeveloperDModifier Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Gases#Intermolecular Forces in Gases838Choose the best answerIf intermolecular forces between gas molecules disappear suddenly, which of the following would happen? (BUMHS MDCAT 2025)Apressure decreasesBpressure increasesCgas collapsesDpressure remain unchanged Like 1 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Acid Strength#Carboxylic Acids839Choose the best answerWhich of the following is the strongest acid? (Sindh MDCAT 2020)APropionic acid (CH₃CH₂COOH)BFluoroethanoic acid (FCH₂COOH)CTrichloroethanoic acid (CCl₃COOH)DNitroethanoic acid (NO₂CH₂COOH) Like 0 Discuss 0Share
Chemical EquilibriumEquilibrium Constant Kc840Choose the best answerFor A + B ⇌ C + D, initially [A] = [B] = 1.0 mol dm⁻³ and [C] = [D] = 0. At equilibrium, [C] = [D] = 0.8 mol dm⁻³. The value of Kc is:A6.4B0.64C1.6D16 Like 0 Discuss 0Share