Chemical BondingIonic Bond Formation1406Choose the best answerPredominantly ionic compounds are commonly formed between:AGroup 1 and Group 2 elementsBTransition metals onlyCGroup 1 or 2 metals and Group 17 non-metalsDGroup 1 metals and Group 11 metals Like 0 Discuss 0Share
StoichiometryLimiting Reagent and Excess Reactant1407Choose the best answer14 g N₂ reacts with 6 g H₂: N₂ + 3H₂ → 2NH₃ How much H₂ remains unreacted?A1.5 molB2.0 molC0.5 molD2/3 mol Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Chemical Bonding#Hybridization1408Choose the best answerThe unhybridized p orbital in sp² hybridization is (KMU MDCAT 2024)AIn the same planeBOut of the planeCParallel to sp² orbitalsDPerpendicular to sp² orbitals Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Nomenclature of Organic Compounds#Organic Nomenclature1409Choose the best answerChoose the correct IUPAC name for the complex [Cr(NH₃)₄Cl₂]Cl: (Sindh MDCAT 2019)Atrichlorotetra amine chromium (III)BDichlorotetra ammine chromium (III) chlorideCDichlorotetra ammonia chromium (III) chlorideDDichlorotetra amine chromate (III) chloride Like 0 Discuss 0Share
Fundamental Concepts of ChemistryEnergy Changes in Physical Changes1410Choose the best answerWhich statement about energy changes during a physical change is correct?AEnergy never changesBEnergy is always absorbedCEnergy is always releasedDEnergy may be absorbed or released Like 0 Discuss 0Share