Atomic StructureIsotopes1381Choose the best answerThe isotope ¹⁸₈O contains:A18 protonsB9 protons and 9 neutronsC8 neutrons and no protonsD8 protons and 10 neutrons Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Proteins1382Choose the best answerQ.113 In protein, amino acid molecules are linked by:AGlucosidic linkageBGlycosidic linkageCPeptide linkageDEthane linkage Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Atomic Structure#Quantum Numbers1383Choose the best answerFor n = 3, determine the number of subshells and total orbitals, respectively.A3 and 5B3 and 7C3 and 9D2 and 5 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model1384Choose the best answerWhat is the total energy of an electron in a permitted Bohr orbit?A−Ze²/4πε₀rB−Ze²/8πε₀rCZe²/8πε₀rD½mv² Like 0 Discuss 0Share
Alkyl HalidesE1 and E2 Reactions1385Choose the best answerA secondary alkyl halide can undergo either E1 or E2 depending mainly on:AWhether carbon is presentBReaction conditions such as base strength, solvent and temperatureCFormation of an aromatic ringDPresence of oxygen in the substrate Like 0 Discuss 0Share