XIIMDCAT Chemistry Test#Isomerism#Maleic and Fumaric Acid2796Choose the best answerWhat type of isomerism exists between fumaric acid and maleic acid?ATautomerismBOptical isomerismCPositional isomerismDGeometrical isomerism Like 0 Discuss 0Share
Atomic StructureProbability Distribution of Electron2797Choose the best answerAt an exact mathematical point such as r = 0, the probability of finding an electron is:A100%BZeroCInfiniteDGreater than 50% Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electrochemistry#Oxidation Number2798Choose the best answerThe oxidation state of 'S' in (S₂O₃)²⁻ is: (Sindh MDCAT 2020)A+4B+6C-2D+2 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model2799Choose the best answerWhat is the numerical value of the Bohr radius?A0.529 × 10⁻⁸ cmB1.602 × 10⁻¹⁹ cmC8.84 × 10⁻¹² cmD6.625 × 10⁻³⁴ cm Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Auxochromes2800Choose the best answerWhat is the main role of an auxochrome in a dye molecule?AIt destroys the color of the dyeBIt enhances color and helps bind the dye to fabricCIt acts as a polymerization catalystDIt removes the dye from fabric Like 0 Discuss 0Share